bump version to 4.2.0 (#606)

Signed-off-by: Jakob Hahn <[email protected]>

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
-## [Unreleased]
+## [4.2.0]
 
 ### Dependencies
 - Bump `github.com/aws/aws-sdk-go-v2/config` from 1.27.23 to 1.27.31 ([#584](https://github.com/opensearch-project/opensearch-go/pull/584), [#588](https://github.com/opensearch-project/opensearch-go/pull/588), [#593](https://github.com/opensearch-project/opensearch-go/pull/593), [#605](https://github.com/opensearch-project/opensearch-go/pull/605))
@@ -253,7 +253,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Bumps `github.com/stretchr/testify` from 1.8.0 to 1.8.1
 - Bumps `github.com/aws/aws-sdk-go` from 1.44.45 to 1.44.132
 
-[Unreleased]: https://github.com/opensearch-project/opensearch-go/compare/v4.1.0...HEAD
+[4.2.0]: https://github.com/opensearch-project/opensearch-go/compare/v4.1.0...v4.2.0
 [4.1.0]: https://github.com/opensearch-project/opensearch-go/compare/v4.0.0...v4.1.0
 [4.0.0]: https://github.com/opensearch-project/opensearch-go/compare/v3.1.0...v4.0.0
 [3.1.0]: https://github.com/opensearch-project/opensearch-go/compare/v3.0.0...v3.1.0

internal/version/version.go

@@ -27,4 +27,4 @@
 package version
 
 // Client returns the client version as a string.
-const Client = "4.1.1"
+const Client = "4.2.0"