fixup! increase PVC disk size

Author: dkoshkin

charts/cluster-api-runtime-extensions-nutanix/addons/registry-mirror/distribution/values-template.yaml

@@ -1,6 +1,7 @@
 replicaCount: 2
 persistence:
   enabled: true
+  size: 50Gi
 service:
   type: ClusterIP
   clusterIP: {{ .ServiceIP }}