Bump the all-dependencies group with 4 updates

Bumps the all-dependencies group with 4 updates: [@mdn/browser-compat-data](https://github.com/mdn/browser-compat-data), [postcss](https://github.com/postcss/postcss), [stylelint](https://github.com/stylelint/stylelint) and [web-features](https://github.com/web-platform-dx/web-features/tree/HEAD/packages/web-features).


Updates `@mdn/browser-compat-data` from 6.0.23 to 6.0.25
- [Release notes](https://github.com/mdn/browser-compat-data/releases)
- [Changelog](https://github.com/mdn/browser-compat-data/blob/main/RELEASE_NOTES.md)
- [Commits](mdn/browser-compat-data@v6.0.23...v6.0.25)

Updates `postcss` from 8.5.5 to 8.5.6
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.5...8.5.6)

Updates `stylelint` from 16.20.0 to 16.21.0
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](stylelint/stylelint@16.20.0...16.21.0)

Updates `web-features` from 2.38.0 to 2.39.0
- [Release notes](https://github.com/web-platform-dx/web-features/releases)
- [Commits](https://github.com/web-platform-dx/web-features/commits/v2.39.0/packages/web-features)

---
updated-dependencies:
- dependency-name: "@mdn/browser-compat-data"
  dependency-version: 6.0.25
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: all-dependencies
- dependency-name: postcss
  dependency-version: 8.5.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: all-dependencies
- dependency-name: stylelint
  dependency-version: 16.21.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: all-dependencies
- dependency-name: web-features
  dependency-version: 2.39.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: all-dependencies
...

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

Author: dependabot[bot]

package-lock.json

@@ -61,16 +61,16 @@
     "test:doc-links": "node tasks/check-doc-links.mjs"
   },
   "devDependencies": {
-    "@mdn/browser-compat-data": "^6.0.23",
+    "@mdn/browser-compat-data": "^6.0.25",
     "browserslist": "^4.25.0",
     "glob": "^11.0.3",
-    "postcss": "^8.5.5",
+    "postcss": "^8.5.6",
     "postcss-cli": "^11.0.1",
     "postcss-preset-env": "^10.2.3",
     "semver": "^7.7.2",
-    "stylelint": "^16.20.0",
+    "stylelint": "^16.21.0",
     "stylelint-config-standard": "^38.0.0",
-    "web-features": "^2.38.0"
+    "web-features": "^2.39.0"
   },
   "stylelint": {
     "extends": "stylelint-config-standard",