Add clarification about feature flags usage
What does this MR do?
Add clarification about feature flags usage
This change clarifies that the usage of GitLab Runner feature flags so it is line with the the GitLab project.
Why was this MR needed?
This puts the feature flags in GitLab Runner in line with https://docs.gitlab.com/ee/administration/feature_flags.html#risks-when-enabling-features-still-in-development
What's the best way to test this MR?
NA
What are the relevant issue numbers?
NA
Edited by Miguel Rincon