build(deps-dev): bump nock from 11.0.0-beta.28 to 11.0.0-beta.30

Bumps [nock](https://github.com/nock/nock) from 11.0.0-beta.28 to 11.0.0-beta.30.
- [Release notes](https://github.com/nock/nock/releases)
- [Changelog](https://github.com/nock/nock/blob/beta/CHANGELOG.md)
- [Commits](https://github.com/nock/nock/commits)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -105,7 +105,7 @@
     "chai": "~4.2.0",
     "coveralls": "~3.0.2",
     "mocha": "~6.2.0",
-    "nock": "11.0.0-beta.28",
+    "nock": "11.0.0-beta.30",
     "nyc": "~14.1.1",
     "prettier": "~1.18.2",
     "semantic-release": "~15.13.12",