Bump the all-dependencies group with 3 updates (#498)

Bumps the all-dependencies group with 3 updates: [@mdn/browser-compat-data](https://github.com/mdn/browser-compat-data), [postcss](https://github.com/postcss/postcss) and [web-features](https://github.com/web-platform-dx/web-features/tree/HEAD/packages/web-features).


Updates `@mdn/browser-compat-data` from 7.3.5 to 7.3.6
- [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@v7.3.5...v7.3.6)

Updates `postcss` from 8.5.6 to 8.5.8
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.6...8.5.8)

Updates `web-features` from 3.18.0 to 3.19.0
- [Release notes](https://github.com/web-platform-dx/web-features/releases)
- [Commits](https://github.com/web-platform-dx/web-features/commits/v3.19.0/packages/web-features)

---
updated-dependencies:
- dependency-name: "@mdn/browser-compat-data"
  dependency-version: 7.3.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: all-dependencies
- dependency-name: postcss
  dependency-version: 8.5.8
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: all-dependencies
- dependency-name: web-features
  dependency-version: 3.19.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: all-dependencies
...

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Author: dependabot[bot]

package-lock.json

@@ -61,16 +61,16 @@
     "test:doc-links": "node tasks/check-doc-links.mjs"
   },
   "devDependencies": {
-    "@mdn/browser-compat-data": "^7.3.5",
+    "@mdn/browser-compat-data": "^7.3.6",
     "browserslist": "^4.28.1",
     "glob": "^13.0.1",
-    "postcss": "^8.5.6",
+    "postcss": "^8.5.8",
     "postcss-cli": "^11.0.1",
     "postcss-preset-env": "^11.2.0",
     "semver": "^7.7.4",
     "stylelint": "^17.4.0",
     "stylelint-config-standard": "^40.0.0",
-    "web-features": "^3.18.0"
+    "web-features": "^3.19.0"
   },
   "stylelint": {
     "extends": "stylelint-config-standard",