Bump @datadog/browser-rum from 4.11.4 to 4.30.0 in /frontend

Bumps [@datadog/browser-rum](https://github.com/DataDog/browser-sdk/tree/HEAD/packages/rum) from 4.11.4 to 4.30.0.
- [Release notes](https://github.com/DataDog/browser-sdk/releases)
- [Changelog](https://github.com/DataDog/browser-sdk/blob/main/CHANGELOG.md)
- [Commits](https://github.com/DataDog/browser-sdk/commits/v4.30.0/packages/rum)

---
updated-dependencies:
- dependency-name: "@datadog/browser-rum"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

frontend/package.json

@@ -8,7 +8,7 @@
     "lint": "vue-cli-service lint"
   },
   "dependencies": {
-    "@datadog/browser-rum": "^4.7.0",
+    "@datadog/browser-rum": "^4.30.0",
     "caniuse-lite": "^1.0.30001325",
     "core-js": "^3.16.2",
     "pretty-checkbox-vue": "^1.1.9",