chore(deps-dev): bump webpack from 5.99.8 to 5.99.9 in /frontend

Bumps [webpack](https://github.com/webpack/webpack) from 5.99.8 to 5.99.9.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v5.99.8...v5.99.9)

---
updated-dependencies:
- dependency-name: webpack
  dependency-version: 5.99.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

frontend/package-lock.json

@@ -92,7 +92,7 @@
         "style-loader": "^4.0.0",
         "ts-node": "^10.9.2",
         "typescript": "^5.8.3",
-        "webpack": "^5.99.8",
+        "webpack": "^5.99.9",
         "webpack-cli": "^6.0.1"
       }
     },
@@ -17375,9 +17375,9 @@
       }
     },
     "node_modules/webpack": {
-      "version": "5.99.8",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.99.8.tgz",
-      "integrity": "sha512-lQ3CPiSTpfOnrEGeXDwoq5hIGzSjmwD72GdfVzF7CQAI7t47rJG9eDWvcEkEn3CUQymAElVvDg3YNTlCYj+qUQ==",
+      "version": "5.99.9",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.99.9.tgz",
+      "integrity": "sha512-brOPwM3JnmOa+7kd3NsmOUOwbDAj8FT9xDsG3IW0MgbN9yZV7Oi/s/+MNQ/EcSMqw7qfoRyXPoeEWT8zLVdVGg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {

frontend/package.json

@@ -52,7 +52,7 @@
     "style-loader": "^4.0.0",
     "ts-node": "^10.9.2",
     "typescript": "^5.8.3",
-    "webpack": "^5.99.8",
+    "webpack": "^5.99.9",
     "webpack-cli": "^6.0.1"
   },
   "dependencies": {