enable docker buildx

Author: v1v

.github/workflows/build-images.yml

@@ -28,6 +28,9 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2 # v3.10.0
+
       - run: ./util.sh --action build --registry ${{ env.REGISTRY }} --image-name ${{ env.IMAGE_NAME }}
         working-directory: .ci/docker