[maven-release-plugin] Update CHANGELOG.md

Author: igdianov

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Change Log
 
-## 0.3.20
+## 0.3.21-SNAPSHOT
 * fix: change droid_function entity name to DroidFunction (#117) [ee39a1d](https://github.com/introproventures/graphql-jpa-query/commit/ee39a1d3cf42440ac2c054944c98bbac1ed3c4c4)
 * feat: extract GraphiQL into separate reusable module (#116) [123b471](https://github.com/introproventures/graphql-jpa-query/commit/123b4719593f21ef5af93e49a77292596ab5d129)
 * feat: extract example JPA models into separate resusable modules (#104) [9698743](https://github.com/introproventures/graphql-jpa-query/commit/9698743f3e9059ae1d2846e5e77ffae0a0a8b1f7)