* ee/master:
  Move "Move issue" to sidebar - EE merge edition
  Update CHANGELOG.md for 9.5.3
  Update CHANGELOG-EE.md for 9.5.3-ee
  Fix merges not working when project is not licensed for squash
  Extend early adopters feature set
  Fix unsetting credentials data for pull mirrors
  Add icon for billing
  Remove private token.
  Docs: update repo mirroring
  Fixes bug where mirror trigger builds is nil at project create.