message: set release date and add changelogs
diff: -### v1.2.1 - 2022-12-29
  +### v1.2.1 - 2023-01-22
  Bug fix release
  #### Added
  * Possibility to hide avatar (Settings - Window - View - Show Avatars)
  +* Show log entry when a conflict during rebase happens
  #### Changed
  @@ -13,6 +14,8 @@ Bug fix release
  * Fix context menu entries
  * Fix bytesize overflow
  * Fix focus loose during scrolling in the Commitlist with the keyboard
  +* Do not crash when the repository is for some reason broken
  +* Fix crash if rebasing is not possible
  ----
  