Merge branch 'aqualls-improve-let_it_be-message' into 'master'

Revise let_it_be comment message

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/126765



Merged-by: David Dieulivol <ddieulivol@gitlab.com>
Approved-by: Marcin Sedlak-Jakubowski <msedlakjakubowski@gitlab.com>
Approved-by: David Dieulivol <ddieulivol@gitlab.com>
Approved-by: Joe Woodward <jwoodward@gitlab.com>
Co-authored-by: Amy Qualls <aqualls@gitlab.com>