corrected syntax

.gitea/workflows/gitea-ci.yaml

@@ -14,6 +14,15 @@ jobs:
           registry: git.whimsoc.dev/hendrik/openstreetmap-tile-server
           username: ${{ gitea.repository_owner }}
           password: ${{ secrets.GITEA_TOKEN }}      
+#      - name: Set up Docker Buildx
+#        uses: docker/setup-buildx-action@v3
+#      - name: Build and push Docker image
+#        uses: https://github.com/docker/build-push-action@v6
+#        with:
+#          context: .
+#          file: ./Dockerfile
+#          push: true
+#          tags: "git.whimsoc.dev/hendrik/openstreetmap-tile-server:${{gitea.sha}},git.whimsoc.dev/hendrik/openstreetmap-tile-server:latest"
       - name: Build and push
         run: |
           TODAY=$(date +'%Y-%m-%d')