Merge branch '519217-move-top-level-const-to-top-level-const-file' into 'master'

Move shared const into top-level const file

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/183962



Merged-by: Ankit Panchal <apanchal@gitlab.com>
Approved-by: Eduardo Bonet <ebonet@gitlab.com>
Approved-by: Ankit Panchal <apanchal@gitlab.com>
Reviewed-by: Ankit Panchal <apanchal@gitlab.com>
Co-authored-by: Julie Huang <julhuang@gitlab.com>