mailu: fix unbound sidecar mounts

services/mailu/helmrelease.yaml

@@ -109,10 +109,6 @@ spec:
       extraContainers:
         - name: unbound
           image: docker.io/mvance/unbound:1.22.0
-          args:
-            - -d
-            - -c
-            - /etc/unbound/unbound.conf
           ports:
             - containerPort: 53
               protocol: UDP
@@ -120,7 +116,7 @@ spec:
               protocol: TCP
           volumeMounts:
             - name: unbound-config
-              mountPath: /etc/unbound
+              mountPath: /opt/unbound/etc/unbound
             - name: unbound-run
               mountPath: /var/lib/unbound
       dnsPolicy: None