Fix the wrong docker name

Author: RyanSiu1995

.github/workflows/docker.yml

@@ -12,7 +12,7 @@ jobs:
     - name: Publish to Registry
       uses: elgohr/Publish-Docker-Github-Action@master
       with:
-        name: ryansiu1995/repository
+        name: ryansiu1995/gcb-visualizer
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_PASSWORD }}
         tag_names: true