games/factorio: set default storage to waw-hdd-redundant-3

Change-Id: I1b8ecaf38d88f7403b07db7e95543a1a6f797fa7
diff --git a/games/factorio/kube/factorio.libsonnet b/games/factorio/kube/factorio.libsonnet
index 451e142..538500c 100644
--- a/games/factorio/kube/factorio.libsonnet
+++ b/games/factorio/kube/factorio.libsonnet
@@ -9,7 +9,7 @@
     cfg:: {
         namespace: error "namespace must be set",
         appName: "factorio",
-        storageClassName: "waw-hdd-redundant-2",
+        storageClassName: "waw-hdd-redundant-3",
         prefix: "", # if set, should be 'foo-'
         proxyImage: error "proxyImage must be set",