feat: Statically adding dimensions to gcp quota saturation points
Part of gitlab-com/gl-infra/scalability#3405. Downstream MR: https://gitlab.com/gitlab-com/gl-infra/tamland/-/merge_requests/950.
Manually adding saturation dimensions for the saturation points gcp_quota_limit, gcp_quota_limit_vertex_ai, and gcp_quota_limit_vertex_ai_code_gecko. Based on the retrieved values:
Edited by Hercules Merscher