Use Go 1.17 features only
CNG is still on Go 1.17 so bytes.Cut() is unavailable.
Fixes gitlab-org/omnibus-gitlab#6893 (closed).
Relates to gitlab-org&7853 (closed).
CNG is still on Go 1.17 so bytes.Cut() is unavailable.
Fixes gitlab-org/omnibus-gitlab#6893 (closed).
Relates to gitlab-org&7853 (closed).