Changed version mysql

.gitlab-ci.yml

@@ -36,7 +36,7 @@ variables:
   HOST_DUMMY: "http://www.flowdat.com/"
 
 services:
-  - name: docker.infra.flowdat.com/fd3/mysql:5.5
+  - name: docker.infra.flowdat.com/fd3/mysql:5.7
     alias: mysql
   - name: docker.infra.flowdat.com/fd3/rabbitmq:3-management
     alias: amqp