feat(database): use service discovery for primary address

mentioned in commit 56e56b52

mentioned in issue #999 (closed)

mentioned in merge request gitlab-org/build/CNG!1384 (merged)

mentioned in merge request gitlab-org/charts/gitlab!3145 (merged)

mentioned in merge request gitlab-com/gl-infra/k8s-workloads/gitlab-com!2708 (merged)

mentioned in merge request gitlab-com/gl-infra/k8s-workloads/gitlab-com!2714 (merged)

mentioned in merge request gitlab-com/gl-infra/k8s-workloads/gitlab-com!2715 (merged)

mentioned in merge request gitlab-com/gl-infra/k8s-workloads/gitlab-com!2737 (merged)

mentioned in merge request gitlab-com/gl-infra/k8s-workloads/gitlab-com!2738 (merged)

mentioned in merge request gitlab-development-kit!3152 (merged)

mentioned in commit ba9ac90f

mentioned in merge request !1505 (merged)

mentioned in commit 750b4d83

mentioned in commit 5c6f6721

mentioned in commit 43646d5f