update CHANGELOG

Author: yanganto

CHANGELOG.md

@@ -11,7 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * `theme.ron` now supports customizing line break symbol ([#1894](https://github.com/extrawurst/gitui/issues/1894))
 * add confirmation for dialog for undo commit [[@TeFiLeDo](https://github.com/TeFiLeDo)] ([#1912](https://github.com/extrawurst/gitui/issues/1912))
 * support `prepare-commit-msg` hook ([#1873](https://github.com/extrawurst/gitui/issues/1873))
-* support sign commit with ssh key by `GITUI_SSH_KEY_PATH` and `GITUI_SSH_PASSWORD`([#1149](https://github.com/extrawurst/gitui/issues/1149))
+* support sign commit with ssh key by `user.signingKey` of gitconfig  ([#1149](https://github.com/extrawurst/gitui/issues/1149))
 
 ### Changed
 * do not allow tag when `tag.gpgsign` enabled [[@TeFiLeDo](https://github.com/TeFiLeDo)] ([#1915](https://github.com/extrawurst/gitui/pull/1915))