CI/CD - Fix image merge in GitHub Action. (#749)

Fix image merge for release event in GitHub Action.

.github/workflows/build-image.yml

@@ -220,8 +220,9 @@ jobs:
         fi
         if [[ "${{ github.event_name }}" == "release" ]]; then
           TAGS=$(sed "s/main:/superbench:${GITHUB_REF##*/}-/g" <<< ${TAGS})
-          GHCR_TAG=$(cut -d, -f1 <<< ${TAGS} | sed "s#superbench/superbench#ghcr.io/${{ github.repository }}/superbench#g")
-          TAGS="${TAGS},${GHCR_TAG}"
+          GHCR_TAGS=$(sed "s#superbench/superbench#ghcr.io/${{ github.repository }}/superbench#g" <<< ${TAGS})
+          SOURCES=$(sed "s/main:/superbench:${GITHUB_REF##*/}-/g" <<< ${SOURCES})
+          GHCR_SOURCES=$(sed "s#superbench/superbench#ghcr.io/${{ github.repository }}/superbench#g" <<< ${SOURCES})
         fi
         if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then
           TAGS=$(sed "s/main:/dev:/g" <<< ${TAGS})
@@ -230,6 +231,8 @@ jobs:
 
         echo "tags=${TAGS}" >> "$GITHUB_OUTPUT"
         echo "sources=${SOURCES}" >> "$GITHUB_OUTPUT"
+        echo "ghcr_tags=${GHCR_TAGS}" >> "$GITHUB_OUTPUT"
+        echo "ghcr_sources=${GHCR_SOURCES}" >> "$GITHUB_OUTPUT"
     - name: Echo image tags
       run: echo ${{ steps.metadata.outputs.tags }}
     - name: Echo image sourcs
@@ -251,7 +254,7 @@ jobs:
         registry: ghcr.io
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
-    - name: Merge and push
+    - name: Merge and push to Docker Hub
       if: ${{ github.event_name != 'pull_request' }}
       run: |
         docker buildx imagetools create \
@@ -260,6 +263,15 @@ jobs:
           --annotation "index:org.opencontainers.image.revision=${{ github.sha }}" \
           --tag ${{ steps.metadata.outputs.tags }} \
           ${{ steps.metadata.outputs.sources }}
+    - name: Merge and push to GitHub Container Registry
+      if: ${{ github.event_name == 'release' }}
+      run: |
+        docker buildx imagetools create \
+          --annotation "index:org.opencontainers.image.source=${{ github.event.repository.html_url }}" \
+          --annotation "index:org.opencontainers.image.created=${{ github.event.repository.pushed_at }}" \
+          --annotation "index:org.opencontainers.image.revision=${{ github.sha }}" \
+          --tag ${{ steps.metadata.outputs.ghcr_tags }} \
+          ${{ steps.metadata.outputs.ghcr_sources }}
     - name: Inspect image
       if: ${{ github.event_name != 'pull_request' }}
       run: |