Merge branch 'el-add-feature-flag-actor' into 'master'

Add actor to auto_request_phone_number_verification_exemption FF

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/144714



Merged-by: Smriti Garg <sgarg@gitlab.com>
Approved-by: Marcos Rocha <mrocha@gitlab.com>
Approved-by: Smriti Garg <sgarg@gitlab.com>
Co-authored-by: Eugie Limpin <elimpin@gitlab.com>