update changelog

Author: extrawurst

CHANGELOG.md

@@ -29,6 +29,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * fix stashlist multi marking not updated after dropping ([#1207](https://github.com/extrawurst/gitui/pull/1207))
 * exact matches have a higher priority and are placed to the top of the list when fuzzily finding files ([#1183](https://github.com/extrawurst/gitui/pull/1183))
 
+## Changed
+* minimum supported rust version bumped to 1.60 ([#1279](https://github.com/extrawurst/gitui/pull/1279))
+
 ## [0.20.1] - 2021-01-26
 
 This is was a immediate followup patch release to `0.20` see [release notes](https://github.com/extrawurst/gitui/releases/tag/v0.20.0) for the whole list of goodies in `0.20`.