Update changelog for release v2.2.0

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [2.2.0] - 2019-05-26
 ### Added
 - Respect `variable_priority`, added in providers releases [0.0.6](https://github.com/nbering/terraform-provider-ansible/releases/tag/v0.0.6)/[1.0.2](https://github.com/nbering/terraform-provider-ansible/releases/tag/v1.0.2)
 
@@ -54,7 +56,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Changed
 - Update docs and package info for move back to GitHub.
 
-[Unreleased]: https://github.com/nbering/terraform-inventory/compare/v2.1.0...HEAD
+[Unreleased]: https://github.com/nbering/terraform-inventory/compare/v2.2.0...HEAD
+[2.2.0]: https://github.com/nbering/terraform-inventory/compare/v2.1.0...v2.2.0
 [2.1.0]: https://github.com/nbering/terraform-inventory/compare/v2.0.0...v2.1.0
 [2.0.0]: https://github.com/nbering/terraform-inventory/compare/v1.1.0...v2.0.0
 [1.1.0]: https://github.com/nbering/terraform-inventory/compare/v1.0.1...v1.1.0