fix(deps): update helm release nextcloud to v8.1.0 (#1157)

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

Author: renovate[bot]

k8s/bases/apps/nextcloud/helm-release.yaml

@@ -11,7 +11,7 @@ spec:
   chart:
     spec:
       chart: nextcloud
-      version: 8.0.3
+      version: 8.1.0
       sourceRef:
         kind: HelmRepository
         name: nextcloud