fix(helm): update chart nextcloud to 4.6.5 (#560)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

kubernetes/apps/default/nextcloud/app/helmrelease.yaml

@@ -8,7 +8,7 @@ spec:
   chart:
     spec:
       chart: nextcloud
-      version: 4.6.4
+      version: 4.6.5
       sourceRef:
         kind: HelmRepository
         name: nextcloud