Update .github/workflows/docker/publish.yml to fix invalid tag format

* **Fix tag format**: Replace `/` in branch name with `-` using `sed` command in `IMAGE_TAG` assignment

.github/workflows/docker/publish.yml

@@ -69,7 +69,7 @@ jobs:
                   if [ "${{ github.ref_name }}" == "main" ]; then
                     echo "IMAGE_TAG=latest" >> $GITHUB_ENV
                   else
-                    echo "IMAGE_TAG=${{ github.ref_name }}" >> $GITHUB_ENV
+                    echo "IMAGE_TAG=`${echo ${{ github.ref_name }} | sed -e 's/\\//g' }" >> $GITHUB_ENV
                   fi
 
             - name: Create and push multi-arch manifests