chore(doc): update changelog unreleased section (#114)

Add fix: "Disable colors when outputting in JSON or YAML format"

Author: peknur

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 - Improved errors relating to argument resolver failures
 - Print version info, instead of missing credentials error, when runnning `upctl version` without credentials
+- Disable colors when outputting in JSON or YAML format
 
 ## [1.1.3] - 2022-02-24
 ### Changed