build(deps-dev): bump postcss from 8.4.47 to 8.4.49 in /frontend

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.47 to 8.4.49.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.4.47...8.4.49)

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

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

frontend/package-lock.json

@@ -48,7 +48,7 @@
         "eslint-plugin-unused-imports": "^4.1.4",
         "husky": "^8.0.0",
         "lint-staged": "^15.2.10",
-        "postcss": "^8.4.41",
+        "postcss": "^8.4.49",
         "prettier": "^3.3.3",
         "prettier-plugin-tailwindcss": "^0.6.8",
         "tailwindcss": "^3.4.15",
@@ -7466,9 +7466,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.47",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.47.tgz",
-      "integrity": "sha512-56rxCq7G/XfB4EkXq9Egn5GCqugWvDFjafDOThIdMBsI15iqPqR5r15TfSr1YPYeEI19YeaXMCbY6u88Y76GLQ==",
+      "version": "8.4.49",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.49.tgz",
+      "integrity": "sha512-OCVPnIObs4N29kxTjzLfUryOkvZEq+pf8jTF0lg8E7uETuWHA+v7j3c/xJmiqpX450191LlmZfUKkXxkTry7nA==",
       "dev": true,
       "funding": [
         {
@@ -7486,7 +7486,7 @@
       ],
       "dependencies": {
         "nanoid": "^3.3.7",
-        "picocolors": "^1.1.0",
+        "picocolors": "^1.1.1",
         "source-map-js": "^1.2.1"
       },
       "engines": {

frontend/package.json

@@ -59,7 +59,7 @@
     "eslint-plugin-unused-imports": "^4.1.4",
     "husky": "^8.0.0",
     "lint-staged": "^15.2.10",
-    "postcss": "^8.4.41",
+    "postcss": "^8.4.49",
     "prettier": "^3.3.3",
     "prettier-plugin-tailwindcss": "^0.6.8",
     "tailwindcss": "^3.4.15",