Bump whelk-io/maven-settings-xml-action from 21 to 22 (#353)

Bumps [whelk-io/maven-settings-xml-action](https://github.com/whelk-io/maven-settings-xml-action) from 21 to 22.
- [Release notes](https://github.com/whelk-io/maven-settings-xml-action/releases)
- [Commits](whelk-io/maven-settings-xml-action@v21...v22)

---
updated-dependencies:
- dependency-name: whelk-io/maven-settings-xml-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/publish.yml

@@ -19,7 +19,7 @@ jobs:
           cache: 'maven'
 
       - name: Setup Maven
-        uses: whelk-io/maven-settings-xml-action@v21
+        uses: whelk-io/maven-settings-xml-action@v22
         with:
           servers: '[{ "id": "ossrh", "username": "${{ secrets.NEXUS_USERNAME }}", "password": "${{ secrets.NEXUS_PASSWORD }}" }]'