Update nextcloud to use 21.0.0 tag

charts/nextcloud/1.2.1/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: nextcloud
 version: 1.2.1
-appVersion: 20.0.8
+appVersion: 21.0.0
 description: A file sharing server that puts the control and security of your own data back into your hands.
 keywords:
 - nextcloud

charts/nextcloud/1.2.1/ix_values.yaml

@@ -1,4 +1,4 @@
 image:
   repository: nextcloud
-  tag: 20.0.8
+  tag: 21.0.0
   pullPolicy: IfNotPresent