Merge pull request nestjs#3830 from nestjs/renovate/docker-mysql-5.x

chore(deps): update mysql docker tag to v5.7.29

Author: kamilmysliwiec

integration/docker-compose.yml

@@ -23,7 +23,7 @@ services:
       - "9001:9001"
     restart: always
   mysql:
-    image: mysql:5.7.27
+    image: mysql:5.7.29
     environment:
       MYSQL_ROOT_PASSWORD: root
       MYSQL_DATABASE: test