ansible: Add missing trailing newline

Make the ansible linter happy.

Signed-off-by: Russell Bryant <[email protected]>

deploy/ansible/bot/tasks/main.yml

@@ -17,4 +17,4 @@
       PRIVATE_KEY: "{{ private_key }}"
       WEBHOOK_SECRET: "{{ webhook_secret }}"
       REDIS_URL: "redis://{{ redis_ip }}:6379"
-      WEBHOOK_PROXY_URL: "{{ webhook_proxy_url }}"
+      WEBHOOK_PROXY_URL: "{{ webhook_proxy_url }}"