Bumped opensearch-api to version 2.2.0 (#163)

Signed-off-by: Theo Truong <[email protected]>

Author: nhtruong

opensearch-api/CHANGELOG.md

@@ -3,6 +3,14 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ## [Unreleased]
 ### Added
+### Changed
+### Deprecated
+### Removed
+### Fixed
+### Security
+
+## [2.2.0]
+### Added
 - Added Point-In-Time API ([#136](https://github.com/opensearch-project/opensearch-ruby/issues/136))
 ### Changed
 ### Deprecated

opensearch-api/lib/opensearch/api/version.rb

@@ -26,6 +26,6 @@
 
 module OpenSearch
   module API
-    VERSION = '2.1.0'.freeze
+    VERSION = '2.2.0'.freeze
   end
 end