chore(deps): update s4u/maven-settings-action action to v4

Author: renovate[bot]

.github/workflows/ci.yml

@@ -40,7 +40,7 @@ jobs:
         env:
           GPG_PRIVATE_KEY: ${{ secrets.gpg_private_key }}
       - name: Prepare Maven Settings
-        uses: s4u/maven-settings-action@v3.1.0
+        uses: s4u/maven-settings-action@v4.0.0
         with:
           githubServer: false
           properties: |