Fix initial zuul config

This was missing a YAML element.

Change-Id: Iedc4bee2552a0e07743e3dd6b4cd6ac765cf96f1
diff --git a/.zuul.yaml b/.zuul.yaml
index bd806ab..2a5dca9 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -1,3 +1,4 @@
 - project:
     check:
-      - noop
+      jobs:
+        - noop