Merge branch 'patch-15' into 'master'

Add missing ":" from example yaml file.

See merge request gitlab-org/gitlab-ee!9227

doc/ci/ci_cd_for_external_repos/bitbucket_integration.md

@@ -116,7 +116,7 @@ your Git repository via URL.
       - test
       - ci_status
 
-    unit-tests
+    unit-tests:
       script:
         - echo "Success. Add your tests!"