update changelog

Author: marcuspoehls

CHANGELOG.md

@@ -1,7 +1,14 @@
 # Changelog
 
 
-## 1.0.0 - 2019-12-xx
+## [1.1.0](https://github.com/superchargejs/redis-github-action/compare/v1.0.0...v1.1.0) - 2019-12-18
+
+### Updated
+- switched from a Node.js workflow to a Docker-based workflow
+  - reduces noise in the repo by removing the Node.js dependencies and only relying on a shell script
+
+
+## 1.0.0 - 2019-12-17
 
 ### Added
 - `1.0.0` release 🚀 🎉