Merge branch 'ai-commit-message-button-rename' into 'master'

AI Generate commit message: Change text of button

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/153276



Merged-by: Mark Florian <mflorian@gitlab.com>
Approved-by: Mark Florian <mflorian@gitlab.com>
Reviewed-by: Amy Qualls <aqualls@gitlab.com>
Co-authored-by: Sascha Eggenberger <seggenberger@gitlab.com>