chore(postgresql-cluster): Avoid permission changes after restart

Author: EamonZhang

addons/postgresql-cluster/15/chart/postgresql-cluster/values.yaml

@@ -208,7 +208,8 @@ patroni:
     enabled: true
     runAsUser: 1000
     runAsNonRoot: true
-    fsGroup: 1000                                     
+    fsGroup: 1000
+    fsGroupChangePolicy: OnRootMismatch                                      
     runAsGroup: 1000
   ## @param patroni.podAnnotations Additional pod annotations for Postgresql patroni pods
   ## ref: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/

addons/postgresql-cluster/16/chart/postgresql-cluster-16/values.yaml

@@ -208,7 +208,8 @@ patroni:
     enabled: true
     runAsUser: 1000
     runAsNonRoot: true
-    fsGroup: 1000                                     
+    fsGroup: 1000
+    fsGroupChangePolicy: OnRootMismatch                                      
     runAsGroup: 1000
 
   ## @param patroni.podAnnotations Additional pod annotations for Postgresql patroni pods

addons/postgresql-cluster/17/chart/postgresql-cluster-17/values.yaml

@@ -210,7 +210,8 @@ patroni:
     enabled: true
     runAsUser: 1000
     runAsNonRoot: true
-    fsGroup: 1000                                     
+    fsGroup: 1000     
+    fsGroupChangePolicy: OnRootMismatch                                 
     runAsGroup: 1000
 
   ## @param patroni.podAnnotations Additional pod annotations for Postgresql patroni pods

addons/postgresql-cluster/18/chart/postgresql-cluster-18/values.yaml

@@ -210,7 +210,8 @@ patroni:
     enabled: true
     runAsUser: 1000
     runAsNonRoot: true
-    fsGroup: 1000                                     
+    fsGroup: 1000    
+    fsGroupChangePolicy: OnRootMismatch                                  
     runAsGroup: 1000
 
   ## @param patroni.podAnnotations Additional pod annotations for Postgresql patroni pods