Update CHANGELOG.md

Author: patinthehat

CHANGELOG.md

@@ -2,13 +2,22 @@
 
 All notable changes to `prettier-docker-ga` will be documented in this file.
 
-
 ---
 
-## v1.0.0 - 2021-12-25
+## v1.0.4 - 2021-12-25
 
-- Initial release
+- Run using docker hub image
+- Fix default config file usage
+- Minor fixes & updates
+
+## v1.0.3 - 2021-12-25
+
+- Use `node:16-alpine` base image
 
-## 1.0.0 - unreleased
+## v1.0.2 - 2021-12-25
 
-- initial release
+- Fix action config
+
+## v1.0.0 - 2021-12-25
+
+- Initial release