Nakama 3.13.1 release.

Author: novabyte

CHANGELOG.md

@@ -3,6 +3,10 @@ All notable changes to this project are documented below.
 
 The format is based on [keep a changelog](http://keepachangelog.com) and this project uses [semantic versioning](http://semver.org).
 
+## [3.13.1] - 2022-08-18
+### Fixed
+- Push new tag for fix to Docker image releases.
+
 ## [3.13.0] - 2022-08-18
 ### Added
 - Add subscription validation APIs and runtime functions for Google and Apple.