build(deps-dev): bump @babel/core from 7.21.0 to 7.22.20 in /frontend

Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.21.0 to 7.22.20.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.22.20/packages/babel-core)

---
updated-dependencies:
- dependency-name: "@babel/core"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

frontend/package-lock.json

@@ -20,7 +20,7 @@
   },
   "homepage": "https://github.com/mozilla/code-coverage-reports#readme",
   "devDependencies": {
-    "@babel/core": "^7.21.0",
+    "@babel/core": "^7.22.20",
     "@babel/preset-env": "^7.22.20",
     "babel-loader": "^9.1.2",
     "babel-plugin-prismjs": "^2.1.0",