Update docker.yml

Author: liangliangyy

.github/workflows/docker.yml

@@ -36,5 +36,11 @@ jobs:
           context: .
           push: true
           tags: ${{ secrets.DOCKERHUB_USERNAME }}/djangoblog:latest
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache-new
+      - name: Move cache
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache