Merge branch 'afontaine/environments-search' into 'master'

Frontend for Environment Search

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/97834



Merged-by: Paul Slaughter <pslaughter@gitlab.com>
Approved-by: Annabel Dunstone Gray <annabel.m.gray@gmail.com>
Approved-by: Payton Burdette <pburdette@gitlab.com>
Approved-by: Dominic Bauer <dbauer@gitlab.com>
Approved-by: Ashraf Khamis <akhamis@gitlab.com>
Approved-by: Paul Slaughter <pslaughter@gitlab.com>
Co-authored-by: Andrew Fontaine <afontaine@gitlab.com>