Bump web-vitals from 3.5.2 to 4.2.1

Bumps [web-vitals](https://github.com/GoogleChrome/web-vitals) from 3.5.2 to 4.2.1.
- [Changelog](https://github.com/GoogleChrome/web-vitals/blob/main/CHANGELOG.md)
- [Commits](GoogleChrome/web-vitals@v3.5.2...v4.2.1)

---
updated-dependencies:
- dependency-name: web-vitals
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -65,7 +65,7 @@
     "marked-gfm-heading-id": "^3.1.3",
     "pwa-helpers": "^0.9.1",
     "register-service-worker": "^1.7.2",
-    "web-vitals": "^3.5.2"
+    "web-vitals": "^4.2.1"
   },
   "devDependencies": {
     "@firebase/rules-unit-testing": "^3.0.3",