Bump @primer/css from 21.3.1 to 22.1.0

Bumps [@primer/css](https://github.com/primer/css) from 21.3.1 to 22.1.0.
- [Release notes](https://github.com/primer/css/releases)
- [Changelog](https://github.com/primer/css/blob/main/CHANGELOG.md)
- [Commits](primer/css@v21.3.1...v22.1.0)

---
updated-dependencies:
- dependency-name: "@primer/css"
  dependency-version: 22.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -160,7 +160,7 @@
     "@octokit/plugin-retry": "8.0.1",
     "@octokit/request-error": "7.0.0",
     "@primer/behaviors": "^1.7.2",
-    "@primer/css": "^21.3.1",
+    "@primer/css": "^22.1.0",
     "@primer/live-region-element": "^0.7.2",
     "@primer/octicons": "^19.19.0",
     "@primer/octicons-react": "^19.14.0",