github_actions_ci: Update CHANGELOG and RELEASE-NOTES for agent-2.3.1

Author: draios-jenkins

charts/agent/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
+# v2.3.1
+### New Features
+* **agent,shield,sysdig-deploy** [32be15a2](https://github.com/sysdiglabs/charts/commit/32be15a2247281ff9b325c27a570a8c48d118a20): release agent 14.2.1 ([#2374](https://github.com/sysdiglabs/charts/issues/2374))
 # v2.3.0
 ### New Features
 * **agent,shield,sysdig-deploy** [c8c11c3c](https://github.com/sysdiglabs/charts/commit/c8c11c3c0fca1b3fe177c3a97330bf8fe23334f0): release agent 14.2.0 ([#2361](https://github.com/sysdiglabs/charts/issues/2361))

charts/agent/RELEASE-NOTES.md

@@ -1,5 +1,5 @@
 # What's Changed
 
 ### New Features
-- **agent,shield,sysdig-deploy** [c8c11c3c](https://github.com/sysdiglabs/charts/commit/c8c11c3c0fca1b3fe177c3a97330bf8fe23334f0): release agent 14.2.0 ([#2361](https://github.com/sysdiglabs/charts/issues/2361))
-#### Full diff: https://github.com/sysdiglabs/charts/compare/agent-2.2.5...agent-2.3.0
+- **agent,shield,sysdig-deploy** [32be15a2](https://github.com/sysdiglabs/charts/commit/32be15a2247281ff9b325c27a570a8c48d118a20): release agent 14.2.1 ([#2374](https://github.com/sysdiglabs/charts/issues/2374))
+#### Full diff: https://github.com/sysdiglabs/charts/compare/agent-2.3.0...agent-2.3.1