Bump css from 2.2.4 to 3.0.0

Bumps [css](https://github.com/reworkcss/css) from 2.2.4 to 3.0.0.
- [Release notes](https://github.com/reworkcss/css/releases)
- [Changelog](https://github.com/reworkcss/css/blob/master/History.md)
- [Commits](reworkcss/css@v2.2.4...v3.0.0)

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

Author: dependabot[bot]

package-lock.json

@@ -36,7 +36,7 @@
   },
   "dependencies": {
     "clone": "^2.1.0",
-    "css": "^2.2.1",
+    "css": "^3.0.0",
     "mime": "^1.6.0"
   },
   "devDependencies": {