Bump version to 3.4.0 (#255)

Signed-off-by: Earlopain <[email protected]>

Author: Earlopain

CHANGELOG.md

@@ -3,13 +3,16 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ## [Unreleased]
 ### Added
-- Added `script_score` to Query DSL ([#254](https://github.com/opensearch-project/opensearch-ruby/pull/254))
 ### Changed
 ### Deprecated
 ### Removed
 ### Fixed
 ### Security
 
+## [3.4.0]
+### Added
+- Added `script_score` to Query DSL ([#254](https://github.com/opensearch-project/opensearch-ruby/pull/254))
+
 ## [3.3.0]
 ### Changed
 - Bump GitHub Actions ([#248](https://github.com/opensearch-project/opensearch-ruby/pull/248))

lib/opensearch/version.rb

@@ -25,5 +25,5 @@
 # under the License.
 
 module OpenSearch
-  VERSION = '3.3.0'.freeze
+  VERSION = '3.4.0'.freeze
 end