Merge branch '395782-update-branch-button' into 'master'

Migrate new branch to Pajamas::ButtonComponent

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/116762



Merged-by: Natalia Tepluhina <ntepluhina@gitlab.com>
Approved-by: James Rushford <jrushford@gitlab.com>
Approved-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>
Approved-by: Natalia Tepluhina <ntepluhina@gitlab.com>
Reviewed-by: Olena Horal-Koretska <ohoralkoretska@gitlab.com>
Co-authored-by: Mughees Pervaiz <mr.mb@tuta.io>