chore(deps): update dependency @testing-library/dom to v8.20.0 (#3100)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[@testing-library/dom](https://togithub.com/testing-library/dom-testing-library)
| [`8.19.1` ->
`8.20.0`](https://renovatebot.com/diffs/npm/@testing-library%2fdom/8.19.1/8.20.0)
|
[![age](https://badges.renovateapi.com/packages/npm/@testing-library%2fdom/8.20.0/age-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://badges.renovateapi.com/packages/npm/@testing-library%2fdom/8.20.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://badges.renovateapi.com/packages/npm/@testing-library%2fdom/8.20.0/compatibility-slim/8.19.1)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://badges.renovateapi.com/packages/npm/@testing-library%2fdom/8.20.0/confidence-slim/8.19.1)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>testing-library/dom-testing-library</summary>

###
[`v8.20.0`](https://togithub.com/testing-library/dom-testing-library/releases/tag/v8.20.0)

[Compare
Source](https://togithub.com/testing-library/dom-testing-library/compare/v8.19.1...v8.20.0)

##### Features

- add offline/online events
([#&#8203;1205](https://togithub.com/testing-library/dom-testing-library/issues/1205))
([0ce0c70](https://togithub.com/testing-library/dom-testing-library/commit/0ce0c7054dfa64d1cd65053790246aed151bda9d))

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **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 [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://app.renovatebot.com/dashboard#github/Unleash/unleash).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNC4xMzMuMCIsInVwZGF0ZWRJblZlciI6IjM0LjEzMy4wIn0=-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

frontend/package.json

@@ -39,7 +39,7 @@
     "@mui/icons-material": "5.11.0",
     "@mui/lab": "5.0.0-alpha.119",
     "@mui/material": "5.11.8",
-    "@testing-library/dom": "8.19.1",
+    "@testing-library/dom": "8.20.0",
     "@testing-library/jest-dom": "5.16.5",
     "@testing-library/react": "12.1.5",
     "@testing-library/react-hooks": "7.0.2",

frontend/yarn.lock

@@ -2253,21 +2253,7 @@
     "@svgr/hast-util-to-babel-ast" "^6.5.1"
     svg-parser "^2.0.4"
 
-"@testing-library/dom@8.19.1":
-  version "8.19.1"
-  resolved "https://registry.yarnpkg.com/@testing-library/dom/-/dom-8.19.1.tgz#0e2dafd281dedb930bb235eac1045470b4129d0e"
-  integrity sha512-P6iIPyYQ+qH8CvGauAqanhVnjrnRe0IZFSYCeGkSRW9q3u8bdVn2NPI+lasFyVsEQn1J/IFmp5Aax41+dAP9wg==
-  dependencies:
-    "@babel/code-frame" "^7.10.4"
-    "@babel/runtime" "^7.12.5"
-    "@types/aria-query" "^5.0.1"
-    aria-query "^5.0.0"
-    chalk "^4.1.0"
-    dom-accessibility-api "^0.5.9"
-    lz-string "^1.4.4"
-    pretty-format "^27.0.2"
-
-"@testing-library/dom@^8.0.0":
+"@testing-library/dom@8.20.0", "@testing-library/dom@^8.0.0":
   version "8.20.0"
   resolved "https://registry.yarnpkg.com/@testing-library/dom/-/dom-8.20.0.tgz#914aa862cef0f5e89b98cc48e3445c4c921010f6"
   integrity sha512-d9ULIT+a4EXLX3UU8FBjauG9NnsZHkHztXoIcTsOKoOw030fyjheN9svkTULjJxtYag9DZz5Jz5qkWZDPxTFwA==