Add quota plugin to the check pipeline

Change-Id: If4b0e7f1d23b5813bd2c1a8113eea9a5a6b8a4cf

zuul.d/projects.yaml

diff --git a/zuul.d/projects.yaml b/zuul.d/projects.yaml
index 77bc55c..b727cf1 100644
--- a/zuul.d/projects.yaml
+++ b/zuul.d/projects.yaml
@@ -171,6 +171,12 @@
         - gerrit-plugin-build
 
 - project:
+    name: plugins/quota
+    check:
+      jobs:
+        - gerrit-plugin-build
+
+- project:
     name: plugins/reviewers
     check:
       jobs: