Add migration 37 to backfill spec.version=v17 for existing PostgreSQL
resources without a version set.

Hardcode PostgreSQL 17.7 image in monitoring databases (Grafana and Alerta)
to ensure compatibility with monitoring queries that expect PostgreSQL 17
features (pg_stat_checkpointer, updated pg_stat_bgwriter).

Signed-off-by: IvanHunters <xorokhotnikov@gmail.com>
(cherry picked from commit fd17144)

Add explicit PostgreSQL 17.7 image to Harbor, SeaweedFS, and Keycloak
databases to ensure consistent version across all system components.

Signed-off-by: IvanHunters <xorokhotnikov@gmail.com>
(cherry picked from commit 620c8fb)