Admin Token API: Revoke pipeline trigger tokens

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/181598



Merged-by: Avielle Wolfe <awolfe@gitlab.com>
Approved-by: Isaac Durham <idurham@gitlab.com>
Approved-by: Moaz Khalifa <mkhalifa@gitlab.com>
Approved-by: Allen Cook <acook@gitlab.com>
Approved-by: Avielle Wolfe <awolfe@gitlab.com>
Reviewed-by: Moaz Khalifa <mkhalifa@gitlab.com>
Co-authored-by: Nicholas Wittstruck <1494491-nwittstruck@users.noreply.gitlab.com>