Update CHANGELOG.md

Author: thomashoneyman

CHANGELOG.md

@@ -10,6 +10,10 @@ New features:
 
 Bugfixes:
 
+Other improvements:
+
+## [v6.0.1](https://github.com/purescript-contrib/purescript-parsing/releases/tag/v6.0.1) - 2021-04-20
+
 Other improvements:
 - Removed unused names found by v0.14.1 PureScript release (#112 by @JordanMartinez)
 - Installed dependencies directly imported into source code that were previously installed transitively (#112 by @JordanMartinez)