fix: remove hardcoded container_name from docker-compose

CI scripts now use docker compose exec instead of docker exec with
a hardcoded container name, making the setup more robust.

Author: slayerjain

mysql-dual-conn/docker-compose.yml

@@ -2,7 +2,6 @@ version: '3.8'
 services:
   mysql:
     image: mysql:8.0
-    container_name: mysql-dual-conn
     environment:
       MYSQL_ROOT_PASSWORD: rootpass
     ports: