fix(ci): typo (datahub-project#11180)

Author: david-leifker

.github/actions/docker-custom-build-and-push/action.yml

@@ -87,7 +87,7 @@ runs:
         TAGS="""
         ${{ inputs.image_tag }}
         """
-        echo "SINGLE_TAG=$(echo $IMAGES | tr '\n' ' ' | awk -F' |,' '{ print $1 }'):$(echo $TAGS | tr '\n' ' ' | awk -F' ' |,'{ print $1 }')" >> $GITHUB_OUTPUT
+        echo "SINGLE_TAG=$(echo $IMAGES | tr '\n' ' ' | awk -F' |,' '{ print $1 }'):$(echo $TAGS | tr '\n' ' ' | awk -F' |,' '{ print $1 }')" >> $GITHUB_OUTPUT
       id: single_tag
     - name: Upload image locally for testing (if not publishing)
       uses: ishworkh/docker-image-artifact-upload@v1