Merge branch 'bvl-wrap-skip-ci-in-crowdin-config' into 'master'

Wrap `[skip ci]` in quotes in Crowdin.yml

See merge request gitlab-org/gitlab-ee!6690

crowdin.yml

 project_identifier: 'gitlab-ee'
 api_key_env: CROWDIN_API_KEY
 preserve_hierarchy: true
-commit_message: [skip ci]
+commit_message: "[skip ci]"
 
 files:
   - source: /locale/gitlab.pot