chore(deps): update dependency karma to v5 (#784)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [karma](http://karma-runner.github.io/) ([source](https://togithub.com/karma-runner/karma)) | devDependencies | major | [`^4.1.0` -> `^5.0.0`](https://renovatebot.com/diffs/npm/karma/4.4.1/5.0.9) |

---

### Release Notes

<details>
<summary>karma-runner/karma</summary>

### [`v5.0.9`](https://togithub.com/karma-runner/karma/blob/master/CHANGELOG.md#&#8203;509-httpsgithubcomkarma-runnerkarmacomparev508v509-2020-05-19)

[Compare Source](https://togithub.com/karma-runner/karma/compare/v5.0.8...v5.0.9)

##### Bug Fixes

-   **dependencies:** update to safe version of http-proxy ([#&#8203;3519](https://togithub.com/karma-runner/karma/issues/3519)) ([00347bb](https://togithub.com/karma-runner/karma/commit/00347bb204c8c87e1096679af4634032d6600b67)), closes [#&#8203;3510](https://togithub.com/karma-runner/karma/issues/3510)

### [`v5.0.8`](https://togithub.com/karma-runner/karma/blob/master/CHANGELOG.md#&#8203;508-httpsgithubcomkarma-runnerkarmacomparev507v508-2020-05-18)

[Compare Source](https://togithub.com/karma-runner/karma/compare/v5.0.7...v5.0.8)

##### Bug Fixes

-   **dependencies:** update and unlock socket.io dependency ([#&#8203;3513](https://togithub.com/karma-runner/karma/issues/3513)) ([b60391f](https://togithub.com/karma-runner/karma/commit/b60391fbddcfa5f8c50b6ac6e3c8d8d845258a56))
-   **dependencies:** update to latest log4js major ([#&#8203;3514](https://togithub.com/karma-runner/karma/issues/3514)) ([47f1cb2](https://togithub.com/karma-runner/karma/commit/47f1cb222ee0921defbe313b694da3288a894fec))

### [`v5.0.7`](https://togithub.com/karma-runner/karma/blob/master/CHANGELOG.md#&#8203;507-httpsgithubcomkarma-runnerkarmacomparev506v507-2020-05-16)

[Compare Source](https://togithub.com/karma-runner/karma/compare/v5.0.6...v5.0.7)

##### Bug Fixes

-   detect type for URLs with query parameter or fragment identifier ([#&#8203;3509](https://togithub.com/karma-runner/karma/issues/3509)) ([f399063](https://togithub.com/karma-runner/karma/commit/f399063d1bc8954dba74166ea3dabef2fe376ae4)), closes [#&#8203;3497](https://togithub.com/karma-runner/karma/issues/3497)

### [`v5.0.6`](https://togithub.com/karma-runner/karma/blob/master/CHANGELOG.md#&#8203;506-httpsgithubcomkarma-runnerkarmacomparev505v506-2020-05-16)

[Compare Source](https://togithub.com/karma-runner/karma/compare/v5.0.5...v5.0.6)

##### Bug Fixes

-   **dependencies:** update production dependencies ([#&#8203;3512](https://togithub.com/karma-runner/karma/issues/3512)) ([0cd696f](https://togithub.com/karma-runner/karma/commit/0cd696fe91f2616f6646ea5c67cc44b49d7e941a))

### [`v5.0.5`](https://togithub.com/karma-runner/karma/blob/master/CHANGELOG.md#&#8203;505-httpsgithubcomkarma-runnerkarmacomparev504v505-2020-05-07)

[Compare Source](https://togithub.com/karma-runner/karma/compare/v5.0.4...v5.0.5)

##### Bug Fixes

-   **cli:** restore command line help contents ([#&#8203;3502](https://togithub.com/karma-runner/karma/issues/3502)) ([e99da31](https://togithub.com/karma-runner/karma/commit/e99da316a2d3f875f45baf4e985e521a2fcc755f)), closes [#&#8203;3474](https://togithub.com/karma-runner/karma/issues/3474)

### [`v5.0.4`](https://togithub.com/karma-runner/karma/blob/master/CHANGELOG.md#&#8203;504-httpsgithubcomkarma-runnerkarmacomparev503v504-2020-04-30)

[Compare Source](https://togithub.com/karma-runner/karma/compare/v5.0.3...v5.0.4)

##### Bug Fixes

-   **browser:** make sure that empty results array is still recognized ([#&#8203;3486](https://togithub.com/karma-runner/karma/issues/3486)) ([fa95fa3](https://togithub.com/karma-runner/karma/commit/fa95fa3c917470fa4b9ad736287379d1e9ebb350))

### [`v5.0.3`](https://togithub.com/karma-runner/karma/blob/master/CHANGELOG.md#&#8203;503-httpsgithubcomkarma-runnerkarmacomparev502v503-2020-04-29)

[Compare Source](https://togithub.com/karma-runner/karma/compare/v5.0.2...v5.0.3)

##### Bug Fixes

-   **client:** flush resultsBuffer on engine upgrade ([#&#8203;3212](https://togithub.com/karma-runner/karma/issues/3212)) ([e44ca94](https://togithub.com/karma-runner/karma/commit/e44ca944fe94ae455cd6dc45d9985a6d9fb94754)), closes [#&#8203;3211](https://togithub.com/karma-runner/karma/issues/3211)

### [`v5.0.2`](https://togithub.com/karma-runner/karma/blob/master/CHANGELOG.md#&#8203;502-httpsgithubcomkarma-runnerkarmacomparev501v502-2020-04-16)

[Compare Source](https://togithub.com/karma-runner/karma/compare/v5.0.1...v5.0.2)

##### Bug Fixes

-   **ci:** stop the proxy before killing the child, handle errors ([#&#8203;3472](https://togithub.com/karma-runner/karma/issues/3472)) ([abe9af6](https://togithub.com/karma-runner/karma/commit/abe9af616f7a08f3c64cc06f6a68bd5f9c941133)), closes [#&#8203;3464](https://togithub.com/karma-runner/karma/issues/3464)

### [`v5.0.1`](https://togithub.com/karma-runner/karma/blob/master/CHANGELOG.md#&#8203;501-httpsgithubcomkarma-runnerkarmacomparev500v501-2020-04-10)

[Compare Source](https://togithub.com/karma-runner/karma/compare/v5.0.0...v5.0.1)

##### Bug Fixes

-   **file-list:** do not define fs.statAsync ([#&#8203;3467](https://togithub.com/karma-runner/karma/issues/3467)) ([55a59e7](https://togithub.com/karma-runner/karma/commit/55a59e70017af79d6f3c170d87d808acc8e21faf))

### [`v5.0.0`](https://togithub.com/karma-runner/karma/blob/master/CHANGELOG.md#&#8203;500-httpsgithubcomkarma-runnerkarmacomparev441v500-2020-04-09)

[Compare Source](https://togithub.com/karma-runner/karma/compare/v4.4.1...v5.0.0)

##### Bug Fixes

-   install semantic-release as a regular dev dependency ([#&#8203;3455](https://togithub.com/karma-runner/karma/issues/3455)) ([1eaf35e](https://togithub.com/karma-runner/karma/commit/1eaf35e1d616a2ef21dd00d843552f189fbc7c94))
-   **ci:** echo travis env that gates release after_success ([#&#8203;3446](https://togithub.com/karma-runner/karma/issues/3446)) ([b8b2ed8](https://togithub.com/karma-runner/karma/commit/b8b2ed81e595baf0337c9628a736494b9f2c91c1))
-   **ci:** poll every 10s to avoid rate limit. ([#&#8203;3388](https://togithub.com/karma-runner/karma/issues/3388)) ([91e7e00](https://togithub.com/karma-runner/karma/commit/91e7e00b29db95ea7209f60c07431b10ab597b02))
-   **middleware/runner:** handle file list rejections ([#&#8203;3400](https://togithub.com/karma-runner/karma/issues/3400)) ([80febfb](https://togithub.com/karma-runner/karma/commit/80febfb53a7d041bdcbcffef617e53cdc2d8dd66)), closes [#&#8203;3396](https://togithub.com/karma-runner/karma/issues/3396) [#&#8203;3396](https://togithub.com/karma-runner/karma/issues/3396)
-   **server:** cleanup import of the removed method ([#&#8203;3439](https://togithub.com/karma-runner/karma/issues/3439)) ([cb1bcbf](https://togithub.com/karma-runner/karma/commit/cb1bcbf0b33c8b14a823f7c2cfb7003a7d7704e5))
-   **server:** createPreprocessor was removed ([#&#8203;3435](https://togithub.com/karma-runner/karma/issues/3435)) ([5c334f5](https://togithub.com/karma-runner/karma/commit/5c334f5e811c490f49e4e681e38345776b77210a))
-   **server:** detection new MS Edge Chromium ([#&#8203;3440](https://togithub.com/karma-runner/karma/issues/3440)) ([7166ce2](https://togithub.com/karma-runner/karma/commit/7166ce2b965a44c89010271fda908e2d58a10a9a))
-   **server:** replace optimist on yargs lib ([#&#8203;3451](https://togithub.com/karma-runner/karma/issues/3451)) ([ec1e69a](https://togithub.com/karma-runner/karma/commit/ec1e69a2545695ee248f34c26f7c4c2b50439b94)), closes [#&#8203;2473](https://togithub.com/karma-runner/karma/issues/2473)
-   **server:** Report original error message ([#&#8203;3415](https://togithub.com/karma-runner/karma/issues/3415)) ([79ee331](https://togithub.com/karma-runner/karma/commit/79ee331c939b7fb76a826d9216fea5fabc646854)), closes [#&#8203;3414](https://togithub.com/karma-runner/karma/issues/3414)

##### Code Refactoring

-   use native Promise instead of Bluebird ([#&#8203;3436](https://togithub.com/karma-runner/karma/issues/3436)) ([33a069f](https://togithub.com/karma-runner/karma/commit/33a069f8a4c4687cdbe07971cca479d98b262e3f)), closes [/github.com/karma-runner/karma/pull/3060#discussion_r284797390](https://togithub.com//github.com/karma-runner/karma/pull/3060/issues/discussion_r284797390)

##### Continuous Integration

-   drop node 8, adopt node 12 ([#&#8203;3430](https://togithub.com/karma-runner/karma/issues/3430)) ([a673aa8](https://togithub.com/karma-runner/karma/commit/a673aa8ad76f733565498f2aab13fcd720502be1))

##### Features

-   **docs:** document `DEFAULT_LISTEN_ADDR` constant ([#&#8203;3443](https://togithub.com/karma-runner/karma/issues/3443)) ([057d527](https://togithub.com/karma-runner/karma/commit/057d527262f1e258f53985116cba718268f108da)), closes [#&#8203;2479](https://togithub.com/karma-runner/karma/issues/2479)
-   **karma-server:** added log to the server.js for uncaught exception ([#&#8203;3399](https://togithub.com/karma-runner/karma/issues/3399)) ([adc6a66](https://togithub.com/karma-runner/karma/commit/adc6a66943c93185e8481060c3cf4b7416985151))
-   **preprocessor:** obey Pattern.isBinary when set ([#&#8203;3422](https://togithub.com/karma-runner/karma/issues/3422)) ([708ae13](https://togithub.com/karma-runner/karma/commit/708ae133acc233195ea64657cafbb86cbd56f115)), closes [#&#8203;3405](https://togithub.com/karma-runner/karma/issues/3405)

##### BREAKING CHANGES

-   Karma plugins which rely on the fact that Karma uses Bluebird promises may break as Bluebird-specific API is no longer available on Promises returned by the Karma core
-   **server:** Deprecated createPreprocessor removed, karma-browserify &lt; 7 version doesn't work
-   no more testing on node 8.

#### [4.4.1](https://togithub.com/karma-runner/karma/compare/v4.4.0...v4.4.1) (2019-10-18)

##### Bug Fixes

-   **deps:** back to karma-browserstack-launcher 1.4 ([#&#8203;3361](https://togithub.com/karma-runner/karma/issues/3361)) ([1cd87ad](https://togithub.com/karma-runner/karma/commit/1cd87ad))
-   **server:** Add test coverage for config.singleRun true branch. ([#&#8203;3384](https://togithub.com/karma-runner/karma/issues/3384)) ([259be0d](https://togithub.com/karma-runner/karma/commit/259be0d))
-   if preprocessor is async function and doesn't return a content then await donePromise ([#&#8203;3387](https://togithub.com/karma-runner/karma/issues/3387)) ([f91be24](https://togithub.com/karma-runner/karma/commit/f91be24))

</details>

---

### Renovate configuration

:date: **Schedule**: "after 9am and before 3pm" (UTC).

:vertical_traffic_light: **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

:recycle: **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

:no_bell: **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#googleapis/gax-nodejs).

package.json

@@ -55,7 +55,7 @@
     "gts": "^2.0.0",
     "is-docker": "^2.0.0",
     "json-loader": "^0.5.7",
-    "karma": "^4.1.0",
+    "karma": "^5.0.0",
     "karma-child-process": "^1.0.3",
     "karma-chrome-launcher": "^3.0.0",
     "karma-coverage": "^2.0.0",