Bump RabbitMQ to 3.7.14 on Travis CI

Author: acogoluegnes

.travis.yml

@@ -18,7 +18,7 @@ addons:
 before_install:
   - curl -s https://packagecloud.io/install/repositories/rabbitmq/rabbitmq-server/script.deb.sh | sudo bash
   - sudo mv /opt/jdk_switcher/jdk_switcher.sh /tmp
-  - sudo apt-get install rabbitmq-server=3.7.13-1
+  - sudo apt-get install rabbitmq-server=3.7.14-1
   - sudo mv /tmp/jdk_switcher.sh /opt/jdk_switcher/
 services:
   - rabbitmq