CHANGELOG.md in google-cloud-translate-v2-0.3.1 vs CHANGELOG.md in google-cloud-translate-v2-0.4.0

@@ -1,6 +1,12 @@
 # Release History
 
+### 0.4.0 (2022-07-28)
+
+#### Features
+
+* Update minimum Ruby version to 2.6 ([#18868](https://github.com/googleapis/google-cloud-ruby/issues/18868)) 
+
 ### 0.3.1 / 2021-06-17
 
 #### Bug Fixes
 
 * Expand googleauth dependency to support future 1.x versions