Update dependency coturn to v4.18.0-0

requirements.yml

@@ -13,7 +13,7 @@
   version: v0.5.0-0
   name: container_socket_proxy
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-coturn.git
-  version: v4.9.0-3
+  version: v4.18.0-0
   name: coturn
   activation_prefix: coturn_
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-ddclient.git