github_actions_ci: Update CHANGELOG and RELEASE-NOTES for registry-scanner-1.1.21

Author: draios-jenkins

charts/registry-scanner/CHANGELOG.md

@@ -10,6 +10,9 @@ Manual edits are supported only below '## Change Log' and should be used
 exclusively to fix incorrect entries and not to add new ones.
 
 ## Change Log
+# v1.1.21
+### New Features
+* **registry-scanner** [569fc3ee](https://github.com/sysdiglabs/charts/commit/569fc3eea7b6e30c6ba08de18effd0f13693b3ff): List GCR as supported registry type ([#1462](https://github.com/sysdiglabs/charts/issues/1462))
 # v1.1.20
 ### New Features
 * **registry-scanner** [b952290a](https://github.com/sysdiglabs/charts/commit/b952290ac515798c115065f9f8a8735941231537): add support for cronjob timezone selection ([#1481](https://github.com/sysdiglabs/charts/issues/1481))

charts/registry-scanner/RELEASE-NOTES.md

@@ -1,5 +1,5 @@
 # What's Changed
 
 ### New Features
-- **registry-scanner** [b952290a](https://github.com/sysdiglabs/charts/commit/b952290ac515798c115065f9f8a8735941231537): add support for cronjob timezone selection ([#1481](https://github.com/sysdiglabs/charts/issues/1481))
-#### Full diff: https://github.com/sysdiglabs/charts/compare/registry-scanner-1.1.19...registry-scanner-1.1.20
+- **registry-scanner** [569fc3ee](https://github.com/sysdiglabs/charts/commit/569fc3eea7b6e30c6ba08de18effd0f13693b3ff): List GCR as supported registry type ([#1462](https://github.com/sysdiglabs/charts/issues/1462))
+#### Full diff: https://github.com/sysdiglabs/charts/compare/registry-scanner-1.1.20...registry-scanner-1.1.21