Restrict docs trigger job only to gitlab-org/gitlab-ee

.gitlab-ci.yml

@@ -320,9 +320,9 @@ trigger_docs:
   cache: {}
   artifacts: {}
   script:
-    - "curl -X POST -F token=${DOCS_TRIGGER_TOKEN} -F ref=master -F variables[PROJECT]=ce https://gitlab.com/api/v3/projects/38069/trigger/builds"
+    - "curl -X POST -F token=${DOCS_TRIGGER_TOKEN} -F ref=master -F variables[PROJECT]=ee https://gitlab.com/api/v3/projects/38069/trigger/builds"
   only:
-    - master
+    - master@gitlab-org/gitlab-ee
 
 # Notify slack in the end