build(deps): bump @webref/css from 4.3.4 to 5.0.1

Bumps [@webref/css](https://github.com/w3c/webref) from 4.3.4 to 5.0.1.
- [Release notes](https://github.com/w3c/webref/releases)
- [Commits](https://github.com/w3c/webref/compare/@webref/[email protected]...@webref/[email protected])

---
updated-dependencies:
- dependency-name: "@webref/css"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -68,7 +68,7 @@
     "@fast-csv/parse": "^4.3.6",
     "@mdn/browser-compat-data": "^5.1.9",
     "@use-it/interval": "^1.0.0",
-    "@webref/css": "^4.3.4",
+    "@webref/css": "^5.0.1",
     "accept-language-parser": "^1.5.0",
     "browser-specs": "^3.17.0",
     "chalk": "^4.1.2",

yarn.lock

@@ -2738,10 +2738,10 @@
   resolved "https://registry.yarnpkg.com/@webpack-cli/serve/-/serve-1.7.0.tgz#e1993689ac42d2b16e9194376cfb6753f6254db1"
   integrity sha512-oxnCNGj88fL+xzV+dacXs44HcDwf1ovs3AuEzvP7mqXw7fQntqIhQ1BRmynh4qEKQSSSRSWVyXRjmTbZIX9V2Q==
 
-"@webref/css@^4.3.4":
-  version "4.3.4"
-  resolved "https://registry.yarnpkg.com/@webref/css/-/css-4.3.4.tgz#6fff159c97e9bf3888351df8a092d6f85bdd85f0"
-  integrity sha512-utt6xOjOfpOzFqlligVwgFYflos1rfNv7uzgANJtqbqsh/VHVHtN3AFLS1IuSxnm7FMDKgRQnT/wM2qkQ8c8tA==
+"@webref/css@^5.0.1":
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/@webref/css/-/css-5.0.1.tgz#867df2c74e0d4ab43b856c62dd21bbb758014bcd"
+  integrity sha512-x6begnIDBt051elWBEOwVuMvDwIb9gzcBZsEAurIcMCzd5CzRTJXEdi507V5QuHt2AgKwdFXMMCFE9gXNwtuHA==
 
 "@xtuc/ieee754@^1.2.0":
   version "1.2.0"