Kong chart: enable persistence by default for postgres (#8480)

* Kong chart: enable persistence by default for postgres

Signed-off-by: Harry Bagdi <harrybagdi@gmail.com>

* Update Chart.yaml

Signed-off-by: Reinhard Nägele <unguiculus@gmail.com>

stable/kong/Chart.yaml

@@ -10,5 +10,5 @@ maintainers:
 name: kong
 sources:
 - https://github.com/Kong/kong
-version: 0.4.1
+version: 0.5.0
 appVersion: 0.14.1

stable/kong/values.yaml

@@ -140,7 +140,5 @@ postgresql:
   enabled: true
   postgresUser: kong
   postgresDatabase: kong
-  persistence:
-    enabled: false
   service:
     port: 5432