feat: Add Open in GitLab to commits in Timeline

See merge request !3057

Merged-by: Tomas Vik <tvik@gitlab.com>
Approved-by: Mohammed Osumah <mosumah@gitlab.com>
Approved-by: Tomas Vik <tvik@gitlab.com>
Reviewed-by: GitLab Duo <gitlab-duo@gitlab.com>
Co-authored-by: Lennard Sprong <lennard@buku.io>

chore: clean up UseDuoChatUiForFlow feature flag

See merge request !3061

Merged-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>
Approved-by: Frédéric Caplette <fcaplette@gitlab.com>
Approved-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>
Co-authored-by: Andrew Fontaine <afontaine@gitlab.com>

feat: Display user avatars in commit history

Closes #2191

See merge request !3060

Merged-by: Juhee Lee <julee@gitlab.com>
Approved-by: Juhee Lee <julee@gitlab.com>
Reviewed-by: GitLab Duo <gitlab-duo@gitlab.com>
Co-authored-by: Lennard Sprong <lennard@buku.io>

# **pre-release**  [6.66.0](v6.65.1...v6.66.0) (2026-01-19)
### ✨ Features

* Add Open in GitLab to commits in Timeline ([895acd46](895acd46)) by Lennard Sprong
* Display user avatars in commit history ([c5d0e897](c5d0e897)) by Lennard Sprong

### 🔁 Chore

* clean up UseDuoChatUiForFlow feature flag ([b81a3bd0](b81a3bd0)) by Andrew Fontaine