Update the phpMyAdmin version in Docker and remove the auto-restart s…

…o that containers do not start automatically

docker-compose.yml

@@ -31,16 +31,14 @@ services:
       - '8001:3306'
 
   phpmyadmin:
-    image: 'phpmyadmin:5.2.0'
-    restart: always
+    image: 'phpmyadmin:5.2.1'
     ports:
       - '8002:80'
     environment:
       - 'PMA_HOST=mysql'
 
   mailhog:
     image: 'mailhog/mailhog:v1.0.1'
-    restart: always
     ports:
       - '8003:8025'
       - '1025:1025'