chore(deps-dev): Bump postcss from 8.5.15 to 8.5.16 in /web

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.15 to 8.5.16.
- [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/8.5.15...8.5.16)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.16
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v7
+        uses: actions/setup-node@v4
         with:
           node-version: "20"
           cache: npm

web/package-lock.json

@@ -17,7 +17,7 @@
         "@types/react-dom": "^18.3.5",
         "@vitejs/plugin-react": "^4.3.4",
         "autoprefixer": "^10.4.20",
-        "postcss": "^8.4.49",
+        "postcss": "^8.5.16",
         "tailwindcss": "^3.4.17",
         "typescript": "^5.7.3",
         "vite": "^6.0.7"
@@ -2100,9 +2100,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.15",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.15.tgz",
-      "integrity": "sha512-FfR8sjd4em2T6fb3I2MwAJU7HWVMr9zba+enmQeeWFfCbm+UOC/0X4DS8XtpUTMwWMGbjKYP7xjfNekzyGmB3A==",
+      "version": "8.5.16",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.16.tgz",
+      "integrity": "sha512-vuwillviilfKZsg0VGj5R/YwwcHx4SLsIOI/7K6mQkWx+l5cUHTjj5g0AasTBcyXsbfTgrwsUNmVUb5xVwyPwg==",
       "dev": true,
       "funding": [
         {

web/package.json

@@ -19,7 +19,7 @@
     "@types/react-dom": "^18.3.5",
     "@vitejs/plugin-react": "^4.3.4",
     "autoprefixer": "^10.4.20",
-    "postcss": "^8.4.49",
+    "postcss": "^8.5.16",
     "tailwindcss": "^3.4.17",
     "typescript": "^5.7.3",
     "vite": "^6.0.7"