chore: release 12.3.0 (#759)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Author: release-please[bot]

CHANGELOG.md

@@ -6,6 +6,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Extending the adopted spec, each change should have a link to its corresponding pull request appended.
 
+## [12.3.0](https://www.github.com/terraform-google-modules/terraform-google-kubernetes-engine/compare/v12.2.0...v12.3.0) (2020-12-09)
+
+
+### Features
+
+* Add instance_group_urls output ([#618](https://www.github.com/terraform-google-modules/terraform-google-kubernetes-engine/issues/618)) ([5623d51](https://www.github.com/terraform-google-modules/terraform-google-kubernetes-engine/commit/5623d51885b5d3ed44b29264ae86b5d537feb506))
+* Enable vertical autoscaling in GA modules ([#758](https://www.github.com/terraform-google-modules/terraform-google-kubernetes-engine/issues/758)) ([2e4f36a](https://www.github.com/terraform-google-modules/terraform-google-kubernetes-engine/commit/2e4f36aef7da1840303ff0a445acc6b560aa8a7c))
+
 ## [12.2.0](https://www.github.com/terraform-google-modules/terraform-google-kubernetes-engine/compare/v12.1.0...v12.2.0) (2020-12-04)