Update CHANGELOG.md

Author: ibakshay

CHANGELOG.md

@@ -1,7 +1,7 @@
 # Change Log
 
 
-## [v2.1.3-beta](https://github.com/contributor-assistant/github-action/tree/v2.2.0) (2022-07-20)
+## [v2.2.0](https://github.com/contributor-assistant/github-action/releases/tag/v2.2.0) (2022-07-20)
 **Improvements:**
 - better error handling when PR is from fork [PullRequest#107](https://github.com/contributor-assistant/github-action/pull/107) [Issue#77](https://github.com/cla-assistant/github-action/issues/77) [Issue#103]([https://github.com/cla-assistant/github-action/pull/87](https://github.com/contributor-assistant/github-action/issues/103))
 ## [v2.1.2-beta](https://github.com/cla-assistant/github-action/tree/v2.1.2-beta) (2021-03-20)