Change minio s3 url to minio.heptio-ark.svc

If you have "cluster.local" as a search domain in /etc/resolv.conf and
you have DNS set up so it can resolve cluster.local queries (e.g.
with dnsmasq), this makes commands such as `ark restore logs` work
correctly outside of the cluster.

Signed-off-by: Andy Goldstein <andy.goldstein@gmail.com>

examples/minio/10-ark-config.yaml

@@ -24,7 +24,7 @@ backupStorageProvider:
   config:
     region: minio
     s3ForcePathStyle: "true"
-    s3Url: http://minio:9000
+    s3Url: http://minio.heptio-ark.svc:9000
 backupSyncPeriod: 1m
 gcSyncPeriod: 1m
 scheduleSyncPeriod: 1m