Bump webpack and @types/webpack in /frontend (#908)

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

Updates `webpack` from 5.88.1 to 5.89.0
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.88.1...v5.89.0)

Updates `@types/webpack` from 5.28.1 to 5.28.4
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/webpack)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: "@types/webpack"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

frontend/package.json

@@ -25,7 +25,7 @@
     "@types/leaflet": "^1.9.7",
     "@types/react": "^18.2.21",
     "@types/react-dom": "^18.2.7",
-    "@types/webpack": "^5.28.1",
+    "@types/webpack": "^5.28.4",
     "@typescript-eslint/eslint-plugin": "^5.35.1",
     "@typescript-eslint/parser": "^5.35.1",
     "babel-loader": "^9.1.3",
@@ -44,7 +44,7 @@
     "prettier": "^3.0.0",
     "ts-node": "^10.9.1",
     "typescript": "^5.2.2",
-    "webpack": "^5.88.1",
+    "webpack": "^5.89.0",
     "webpack-cli": "^5.1.4"
   },
   "dependencies": {