Bump skaut/wordpress-version-checker from 2.1.0 to 2.2.0

Bumps [skaut/wordpress-version-checker](https://github.com/skaut/wordpress-version-checker) from 2.1.0 to 2.2.0.
- [Release notes](https://github.com/skaut/wordpress-version-checker/releases)
- [Commits](skaut/wordpress-version-checker@v2.1.0...v2.2.0)

---
updated-dependencies:
- dependency-name: skaut/wordpress-version-checker
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/wordpress-version-checker.yml

@@ -11,6 +11,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: WordPress version checker
-        uses: skaut/wordpress-version-checker@v2.1.0
+        uses: skaut/wordpress-version-checker@v2.2.0
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}