FIX(postgresql): pg-dev CPU throttling by moving

- resources to...
- Move resources config under primary.resources (Bitnami chart
  structure)
- Set CPU limit to null to prevent throttling (was 39% throttled)
- CPU request: 30m, Memory limit: 256Mi

postgresql-dev/helm-values.yaml

@@ -22,14 +22,13 @@ primary:
     enabled: true
     size: 1Gi
     storageClass: local-path-retain
-
   resources:
     requests:
-    memory: "256Mi"
+      memory: "128Mi"
-    cpu: "30m"  # Reduced to 30% of original (100m -> 30m)
+      cpu: "30m"
     limits:
       cpu: null
-    memory: null
+      memory: "256Mi"
 
 metrics:
   enabled: false