Bump @webref/css from 8.2.3 to 8.2.4 in the webref-css group

Bumps the webref-css group with 1 update: [@webref/css](https://github.com/w3c/webref).


Updates `@webref/css` from 8.2.3 to 8.2.4
- [Commits](https://github.com/w3c/webref/compare/@webref/[email protected]...@webref/[email protected])

---
updated-dependencies:
- dependency-name: "@webref/css"
  dependency-version: 8.2.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: webref-css
...

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

Author: dependabot[bot]

package-lock.json

@@ -33,7 +33,7 @@
 		"dist"
 	],
 	"devDependencies": {
-		"@webref/css": "8.2.3",
+		"@webref/css": "8.2.4",
 		"css-tree": "^3.1.0",
 		"postcss": "^8.4"
 	},

packages/css-syntax-patches-for-csstree/package.json

@@ -125,7 +125,7 @@
 		"@csstools/pack-test": "*",
 		"@csstools/postcss-bundler": "*",
 		"@csstools/postcss-tape": "*",
-		"@webref/css": "8.2.3"
+		"@webref/css": "8.2.4"
 	},
 	"scripts": {
 		"prebuild": "node ./scripts/generate-plugins-data.mjs && eslint --fix ./src/plugins/*.mjs",