Increase retries for Chameleon in attempt to fix API sanity pipeline

Change-Id: Iecc017c05ba2de5eb6c4a08bd8ec1c3b84ab93e6
diff --git a/roles/xos-ready/tasks/main.yml b/roles/xos-ready/tasks/main.yml
index 6ffc41e..9078ccc 100644
--- a/roles/xos-ready/tasks/main.yml
+++ b/roles/xos-ready/tasks/main.yml
@@ -21,7 +21,7 @@
   shell: curl localhost:{{ xos_chameleon_port }}/xosapi/v1/modeldefs
   register: result
   until: result.stdout.find("items") != -1
-  retries: 10
+  retries: 30
   delay: 20
   tags:
     - skip_ansible_lint # running a sub job