buildx tag fix

[skip ci]

Author: pilotak

.github/workflows/dockerimage.yml

@@ -60,6 +60,6 @@ jobs:
         run: |
           docker buildx build \
             --platform ${DOCKER_TARGET_PLATFORM} \
-            --tag ${DOCKER_IMAGE}:${TAG_VERSION} ${DOCKER_IMAGE}:latest \
+            --tag ${DOCKER_IMAGE}:${TAG_VERSION},${DOCKER_IMAGE}:latest \
             --file ./Dockerfile \
             --push .