enable postgresql in place upgrade and bump postgresql version to 16

roles/postgres/defaults/main.yaml

@@ -7,6 +7,10 @@ postgres_operator_default_values:
     storage_resize_mode: pvc
     watched_namespace: "{{ postgres_operator_watch_namespace | default(namespace) }}"
 
+  configMajorVersionUpgrade:
+    # "off": no upgrade, "manual": manifest triggers action, "full": minimal version violation triggers too
+    major_version_upgrade_mode: "full"
+
 postgres_operator_ui_default_values:
   replicaCount: 1
   
@@ -17,6 +21,9 @@ postgres_operator_ui_default_values:
     operatorClusterNameLabel: "cluster-name"
     resourcesVisible: "False"
     targetNamespace: "{{ namespace }}"
+    teams:
+      - "acid"
+      - "{{ postgres_db_team | default(namespace) }}"
   
   # configure UI ingress. If needed: "enabled: true"
   ingress:
@@ -45,7 +52,7 @@ postgres_db_definitions:
     spec:
       teamId: "{{ postgres_db_team | default(namespace) }}"
       postgresql:
-        version: "12"
+        version: "16"
       numberOfInstances: 2
       volume:
         size: "{{ postgres_size | default('10Gi') }}"