release: use v0.3 tag for samba-operator by default

Signed-off-by: John Mulligan <jmulligan@redhat.com>

Author: phlogistonjohn

config/manager/manager.yaml

@@ -44,7 +44,7 @@ spec:
           envFrom:
             - configMapRef:
                 name: controller-cfg
-          image: quay.io/samba.org/samba-operator:v0.2
+          image: quay.io/samba.org/samba-operator:v0.3
           imagePullPolicy: Always
           name: manager
           resources: