Fix caddy container info delay

Give more time to docker to correctly bring up caddy in the swarm.
Extended delay to retry to 10 seconds and gave it more retries as well,
so that roughly a minute will be gone before the play gives up.

roles/caddy/tasks/main.yml

@@ -37,6 +37,8 @@
   become: yes
   # bringing up the container takes some time, we have to wait
   until: caddy_container_info['rc'] == 0 and caddy_container_info['stdout'] | length >= 1
+  retries: 5
+  delay: 10
   changed_when: False
   register: caddy_container_info