Add more 3 more test cells for orchestrator POC

Context

From discussion and checking with infrafin, we determined we have room in GCP commitments to add more cells/rings to help us test our first iterations in making an orchestrator.

Goals / Definition of Done

• Update ringctl template to support the latest Instrumentor version
• Upgrade Instrumentor on existing cells
• Add a new cell to cellsdev/ring0
• Create new ring with one new cell in cellsdev/ring1
• Create new ring with one new cell in cellsdev/ring2
• Perform any minor fixes to problems we find when making the cells per instructions at https://gitlab.com/gitlab-com/gl-infra/cells/tissue/-/tree/main?ref_type=heads#provision-cell

Out of scope

• Gitaly on GKE
• Geo
• AMP in GCP