Add project-factory to GKE secrets page
Adds a short addendum to the GKE runners secret access page explaining the differences when using the gitlab-project-factory.
GitLab will be upgraded on 17-Feb-2025 between 12:00 and 14:00. There may be small periods of service instability.
Adds a short addendum to the GKE runners secret access page explaining the differences when using the gitlab-project-factory.