Merge branch 'pl-sempgrep-label-spec' into 'master'

Fix ENV dependent semgrep spec

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/173631



Merged-by: Stan Hu <stanhu@gmail.com>
Approved-by: Stan Hu <stanhu@gmail.com>
Co-authored-by: Peter Leitzen <pleitzen@gitlab.com>