build(deps-dev): bump postcss-focus from 6.0.0 to 7.0.0

Bumps [postcss-focus](https://github.com/postcss/postcss-focus) from 6.0.0 to 7.0.0.
- [Release notes](https://github.com/postcss/postcss-focus/releases)
- [Changelog](https://github.com/postcss/postcss-focus/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss-focus@6.0.0...7.0.0)

---
updated-dependencies:
- dependency-name: postcss-focus
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -90,7 +90,7 @@
     "plugin-node-patternlab-inline-remote-assets": "^0.2.0",
     "postcss": "^8.4.26",
     "postcss-cli": "^10.1.0",
-    "postcss-focus": "^6.0.0",
+    "postcss-focus": "^7.0.0",
     "postcss-list-style-safari-fix": "^1.0.0",
     "prettier": "^3.0.0",
     "rimraf": "^5.0.1",