chore(deps-dev): bump webpack from 5.98.0 to 5.99.6 in /frontend

Bumps [webpack](https://github.com/webpack/webpack) from 5.98.0 to 5.99.6.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.98.0...v5.99.6)

---
updated-dependencies:
- dependency-name: webpack
  dependency-version: 5.99.6
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

frontend/package.json

@@ -133,7 +133,7 @@
     "tailwindcss": "^3.0.0",
     "tracked-built-ins": "3.1.1",
     "tracked-toolbox": "2.0.0",
-    "webpack": "5.98.0"
+    "webpack": "5.99.6"
   },
   "engines": {
     "node": ">= 18"