test updated Nextcloud chart, also add persistence for OOs postgresql

flux2/apps/nextcloud/pvc.yaml

@@ -24,3 +24,16 @@ spec:
     requests:
       storage: 512Mi
   storageClassName: local-path
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: nextcloud-postgresql
+spec:
+  accessModes:
+    - ReadWriteOnce
+  volumeMode: Filesystem
+  resources:
+    requests:
+      storage: 512Mi
+  storageClassName: local-path

flux2/apps/nextcloud/release.yaml

@@ -156,6 +156,9 @@ spec:
         requests:
           cpu: 200m
           memory: 128Mi
+      persistence:
+        enabled: true
+        existingClaim: "nextcloud-postgresql"
 
     rabbitmq:
       rabbitmq:

flux2/infrastructure/sources/nextcloud.yaml

@@ -13,4 +13,5 @@ spec:
   # For all available options, see:
   # https://toolkit.fluxcd.io/components/source/api/#source.toolkit.fluxcd.io/v1beta1.GitRepositoryRef
   ref:
-    tag: 0.2.7
+    # tag: 0.2.7
+    branch: 967-prevent-loss-of-onlyoffice-documents