Update CHANGELOG

Author: Wilken Rivera

CHANGELOG.md

@@ -1 +1,5 @@
-## 0.0.1 (Unreleased)
+## 0.0.7 (March 30, 2021)
+* Docker plugin break out from Packer core. Changes prior to break out can be found in [Packer's CHANGELOG](https://github.com/hashicorp/packer/blob/master/CHANGELOG.md)
+
+### BUG FIXES
+* Update packer-plugin-sdk to latest version to fix issue with file provisioner. [GH-24]