Merge branch 'dattang/print-out-release-environment-variables' into 'master'

Print out release environments variables

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/151543



Merged-by: Hordur Freyr Yngvason <hfyngvason@gitlab.com>
Approved-by: Graeme Gillies <ggillies@gitlab.com>
Approved-by: Hordur Freyr Yngvason <hfyngvason@gitlab.com>
Approved-by: David Dieulivol <ddieulivol@gitlab.com>
Co-authored-by: Dat Tang <dattang@gitlab.com>