zuul-executor now needs `jq`

...after we've moved some upload jobs there from the build nodes.

Change-Id: Ia5e3ed5b5344138f24f722cde0f2e0ebb79d88fc
diff --git a/roles/zuul_server/tasks/main.yaml b/roles/zuul_server/tasks/main.yaml
index 22421fe..2de722f 100644
--- a/roles/zuul_server/tasks/main.yaml
+++ b/roles/zuul_server/tasks/main.yaml
@@ -192,3 +192,8 @@
   package:
     name: bubblewrap
     state: present
+
+- name: JQ for JSON parsing within Zuul jobs
+  package:
+    name: jq
+    state: present