updates changelog

Author: Rishabh

CHANGELOG.md

@@ -6,11 +6,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
-- Fixes https://github.com/supertokens/supertokens-postgresql-plugin/issues/34
 
 ## [1.15.0] - 2022-03-04
 
 - Adds support for the new usermetadata recipe
+- Fixes https://github.com/supertokens/supertokens-postgresql-plugin/issues/34
 
 ## [1.14.0] - 2022-02-23