chore: upgrade docker/build-push-action to version 6

- Upgrade the docker/build-push-action from version 5 to version 6

Signed-off-by: appleboy <appleboy.tw@gmail.com>

Author: appleboy

.github/workflows/docker.yml

@@ -64,7 +64,7 @@ jobs:
           echo "REPO=${GITHUB_REPOSITORY,,}" >> ${GITHUB_ENV}
 
       - name: Build and push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           context: .
           platforms: linux/amd64,linux/arm,linux/arm64