Update CHANGELOG

Author: ludoo

CHANGELOG.md

@@ -112,7 +112,8 @@ and this project adheres to [Semantic Versioning][semver-site].
 - Subnets within the VPC
 - Secondary ranges for the subnets (if applicable)
 
-[Unreleased]: https://github.com/terraform-google-modules/terraform-google-network/compare/v1.1.0...HEAD
+[Unreleased]: https://github.com/terraform-google-modules/terraform-google-network/compare/v1.3.0...HEAD
+[1.3.0]: https://github.com/terraform-google-modules/terraform-google-network/compare/v1.2.0...v1.3.0
 [1.2.0]: https://github.com/terraform-google-modules/terraform-google-network/compare/v1.1.0...v1.2.0
 [1.1.0]: https://github.com/terraform-google-modules/terraform-google-network/compare/v1.0.0...v1.1.0
 [1.0.0]: https://github.com/terraform-google-modules/terraform-google-network/compare/v0.8.0...v1.0.0