chore(changelog): Update CHANGELOG for v2.2.0 (#32)

Author: sanderblue

CHANGELOG.md

@@ -1,3 +1,9 @@
+<a name="v2.2.0"></a>
+## [v2.2.0] - 2023-02-13
+### Documentation Updates
+- specify region in the README examples
+- update README with commit and new examples
+
 <a name="v2.1.0"></a>
 ## [v2.1.0] - 2023-02-02
 ### Bug Fixes
@@ -51,7 +57,8 @@
 ### Features
 - New Relic deployment marker action
 
-[Unreleased]: https://github.com/newrelic/deployment-marker-action/compare/v2.1.0...HEAD
+[Unreleased]: https://github.com/newrelic/deployment-marker-action/compare/v2.2.0...HEAD
+[v2.2.0]: https://github.com/newrelic/deployment-marker-action/compare/v2.1.0...v2.2.0
 [v2.1.0]: https://github.com/newrelic/deployment-marker-action/compare/v2.0.0...v2.1.0
 [v2.0.0]: https://github.com/newrelic/deployment-marker-action/compare/v1...v2.0.0
 [v1]: https://github.com/newrelic/deployment-marker-action/compare/v1.0.0...v1