Merge branch 'fix-changelog-entry-yaml-docs' into 'master'

Fix a changelog entry YAML to be consistent with EE

See merge request gitlab-org/gitlab-ce!17554

changelogs/unreleased/wip-new-mr-cmd.yml

+---
 title: Port /wip quick action command to Merge Request creation (on description)
 merge_request: 17463
 author: Adam Pahlevi