Enable MR pipelines, set runner tags (!28) · Merge requests · GitLab.org / Govern / Secrets Management / openbao-internal · GitLab

Summary

Follow https://handbook.gitlab.com/handbook/engineering/gitlab-repositories/#cicd-configuration

Enable MR pipelines.
Set runner tags
Also, rename ci job and stage to test for clarity.

This is part of Add openbao-internal, gitlab-secrets-manager-co... (gitlab-org/gitlab#574730 - closed).