github_actions_ci: Update CHANGELOG and RELEASE-NOTES for shield-1.8.0

Author: draios-jenkins

charts/shield/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
+# v1.8.0
+### Chores
+* **cluster-shield,sysdig-deploy,shield** [d76fccf8](https://github.com/sysdiglabs/charts/commit/d76fccf80af45038011114192624b37e81411c64): Automatic bump to version 1.12.0 ([#2272](https://github.com/sysdiglabs/charts/issues/2272))
 # v1.7.1
 # v1.7.0
 ### Chores

charts/shield/RELEASE-NOTES.md

@@ -1,3 +1,5 @@
 # What's Changed
 
-#### Full diff: https://github.com/sysdiglabs/charts/compare/shield-1.7.0...shield-1.7.1
+### Chores
+- **cluster-shield,sysdig-deploy,shield** [d76fccf8](https://github.com/sysdiglabs/charts/commit/d76fccf80af45038011114192624b37e81411c64): Automatic bump to version 1.12.0 ([#2272](https://github.com/sysdiglabs/charts/issues/2272))
+#### Full diff: https://github.com/sysdiglabs/charts/compare/shield-1.7.1...shield-1.8.0