improve automated MapLibre Android release (#3497)

.github/workflows/android-release.yml

@@ -37,7 +37,8 @@ jobs:
         run: make run-android-nitpick
 
       - name: Validate and set version
-        run: ../../.github/scripts/validate-version.sh
+        working-directory: .
+        run: .github/scripts/validate-version.sh platform/android/VERSION
 
       - name: Build package
         run: |
@@ -69,24 +70,8 @@ jobs:
           fi
 
       - name: Create tag if it does not exist
-        run: |
-          git config user.name "MapLibre Team"
-          git config user.email "team@maplibre.org"
-          tag="android-v${{ env.version }}"
-
-          if git rev-parse "$tag" >/dev/null 2>&1; then
-            tag_sha=$(git rev-parse "$tag^{commit}")
-            if [ "$tag_sha" = "${{ github.sha }}" ]; then
-              echo "✅ Tag $tag exists and matches current commit SHA."
-              exit 0
-            else
-              echo "::error::❌ Tag $tag exists but points to a different commit. Aborting."
-              exit 1
-            fi
-          else
-            git tag -a "$tag" -m "Publish $tag" ${{ github.sha }}
-            git push origin "$tag"
-          fi
+        working-directory: .
+        run: .github/scripts/ensure-tag.sh android-v${{ env.version }} ${{ github.sha }}
 
       - name: Create release
         id: create_release