v21.5.2

• Merge pull request #42 from rdlabo-team/feat/auth-failure-scope ab210fc
• fix: unify identity cleanup across auth statuses d5ef5ab
• test: cover scoped access revocation a34050e
• feat: classify authentication failure scopes 4c8a43d
• chore: update project versions to 21.5.1 a2c0bb0

v21.5.1...v21.5.2