Peer both gitlab-analysis VPCs to gstg and gprd
This addresses https://gitlab.com/gitlab-com/gl-infra/infrastructure/issues/5970 and part of https://gitlab.com/gitlab-com/gl-infra/infrastructure/issues/6689.
Establish peering connections between the VPCs default and gitlab-analysis-vpc within the gitlab-analysis project and the gstg VPC in gitlab-staging-1, and gprd VPC in `gitlab-production