remove mysql 8

Signed-off-by: Victor Gonzalez <victor@vgr.cl>

Author: XzAeRo

.github/workflows/main.yml

@@ -23,7 +23,7 @@ jobs:
           - "7.4"
 
         mysql:
-          - "8"
+          - "5.7"
 
     services:
       mysql:
@@ -38,7 +38,6 @@ jobs:
           --health-interval=10s
           --health-timeout=5s
           --health-retries=3
-          --entrypoint sh mysql:8 -c "exec docker-entrypoint.sh mysqld --default-authentication-plugin=mysql_native_password"
     steps:
       - name: Checkout
         uses: actions/checkout@v2