Update changelog

Author: Sven Dunemann

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change Log
 
+## [v1.3.1](https://github.com/phrase/phraseapp-in-context-editor-ruby/tree/v1.3.1) (2019-08-29)
+[Full Changelog](https://github.com/phrase/phraseapp-in-context-editor-ruby/compare/v1.3.0...v1.3.1)
+- Change api host to api.phrase.com
+
 ## [v1.3.0](https://github.com/phrase/phraseapp-in-context-editor-ruby/tree/v1.3.0) (2018-04-18)
 [Full Changelog](https://github.com/phrase/phraseapp-in-context-editor-ruby/compare/v1.2.1...v1.3.0)
 - Remove support for Ruby < 2.1
@@ -63,4 +67,4 @@
 ## [v1.0.0](https://github.com/phrase/phraseapp-in-context-editor-ruby/tree/v1.0.0) (2015-08-21)
 
 
-\* *This Change Log was automatically generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*
+\* *This Change Log was automatically generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*