Merge pull request #8056 from stonezdj/gcs_storage_issue

Change the mount target of gcs.key file(master)

make/photon/prepare/templates/docker_compose/docker-compose.yml.jinja

@@ -419,7 +419,7 @@ services:
 {% if gcs_keyfile %}
       - type: bind
         source: {{gcs_keyfile}}
-        target: /etc/registry/gcs.key
+        target: /etc/chartserver/gcs.key
 {% endif %}
 {%if registry_custom_ca_bundle_path %}
       - type: bind