build(deps-dev): bump postcss-nesting from 12.0.3 to 12.0.4 in /frontend

Bumps [postcss-nesting](https://github.com/csstools/postcss-plugins/tree/HEAD/plugins/postcss-nesting) from 12.0.3 to 12.0.4.
- [Changelog](https://github.com/csstools/postcss-plugins/blob/main/plugins/postcss-nesting/CHANGELOG.md)
- [Commits](https://github.com/csstools/postcss-plugins/commits/HEAD/plugins/postcss-nesting)

---
updated-dependencies:
- dependency-name: postcss-nesting
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

frontend/package-lock.json

@@ -67,7 +67,7 @@
         "i18next-parser": "^8.13.0",
         "postcss": "^8.4.35",
         "postcss-modules": "^6.0.0",
-        "postcss-nesting": "^12.0.3",
+        "postcss-nesting": "^12.0.4",
         "prettier": "3.2.5",
         "react-test-renderer": "^18.2.0",
         "rimraf": "^5.0.5",
@@ -19766,9 +19766,9 @@
       }
     },
     "node_modules/postcss-nesting": {
-      "version": "12.0.3",
-      "resolved": "https://registry.npmjs.org/postcss-nesting/-/postcss-nesting-12.0.3.tgz",
-      "integrity": "sha512-yrtMRPFNkfZMv9ikBvZ/Eh3RxhpMBKQ3KzD7LCY8+jYVlgju/Mdcxi4JY8bW2Y7ISXw8GTLuF/o+kFtp+yaVfQ==",
+      "version": "12.0.4",
+      "resolved": "https://registry.npmjs.org/postcss-nesting/-/postcss-nesting-12.0.4.tgz",
+      "integrity": "sha512-WuCe0KnP4vKjLZK8VNoUWKL8ZLOv/5jiM94mHcI3VszLropHwmjotdUyP/ObzqZpXuQKP2Jf9R12vIHKFSStKw==",
       "dev": true,
       "funding": [
         {

frontend/package.json

@@ -75,7 +75,7 @@
     "i18next-parser": "^8.13.0",
     "postcss": "^8.4.35",
     "postcss-modules": "^6.0.0",
-    "postcss-nesting": "^12.0.3",
+    "postcss-nesting": "^12.0.4",
     "prettier": "3.2.5",
     "react-test-renderer": "^18.2.0",
     "rimraf": "^5.0.5",