chore(deps-dev): bump jest and @types/jest in /frontend

Bumps [jest](https://github.com/jestjs/jest/tree/HEAD/packages/jest) and [@types/jest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jest). These dependencies needed to be updated together.

Updates `jest` from 29.7.0 to 30.0.5
- [Release notes](https://github.com/jestjs/jest/releases)
- [Changelog](https://github.com/jestjs/jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jestjs/jest/commits/v30.0.5/packages/jest)

Updates `@types/jest` from 29.5.14 to 30.0.0
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/jest)

---
updated-dependencies:
- dependency-name: jest
  dependency-version: 30.0.5
  dependency-type: direct:development
  update-type: version-update:semver-major
- dependency-name: "@types/jest"
  dependency-version: 30.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

frontend/package.json

@@ -25,7 +25,7 @@
     "@eslint/eslintrc": "^3.3.1",
     "@eslint/js": "^9.30.1",
     "@types/fs-extra": "^11.0.4",
-    "@types/jest": "^29.5.14",
+    "@types/jest": "^30.0.0",
     "@types/latlon-geohash": "^2.0.4",
     "@types/leaflet": "^1.9.18",
     "@types/node": "^24.1.0",
@@ -49,7 +49,7 @@
     "eslint-plugin-react-hooks": "^5.2.0",
     "globals": "^16.2.0",
     "html-webpack-plugin": "^5.6.3",
-    "jest": "^29.7.0",
+    "jest": "^30.0.5",
     "prettier": "^3.6.2",
     "style-loader": "^4.0.0",
     "ts-node": "^10.9.2",