chore: release 1.0.0 (#25)

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

Author: release-please[bot]

CHANGELOG.md

@@ -7,6 +7,17 @@ The format is based on
 and this project adheres to
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.0.0](https://www.github.com/terraform-google-modules/terraform-google-cloud-router/compare/v0.4.0...v1.0.0) (2021-04-08)
+
+
+### ⚠ BREAKING CHANGES
+
+* add Terraform 0.13 constraint and module attribution (#22)
+
+### Features
+
+* add Terraform 0.13 constraint and module attribution ([#22](https://www.github.com/terraform-google-modules/terraform-google-cloud-router/issues/22)) ([2154aee](https://www.github.com/terraform-google-modules/terraform-google-cloud-router/commit/2154aee587cf302cb583b1334f52f923b1801477))
+
 ## [0.4.0](https://www.github.com/terraform-google-modules/terraform-google-cloud-router/compare/v0.3.0...v0.4.0) (2020-12-08)