entc/integ: add mariadb 10.2 to integrarion (#1070)

entc/integration/compose/docker-compose.yaml

@@ -46,6 +46,16 @@ services:
     ports:
       - 4306:3306
 
+  mariadb102:
+    image: mariadb:10.2.32
+    environment:
+      MYSQL_DATABASE: test
+      MYSQL_ROOT_PASSWORD: pass
+    healthcheck:
+      test: mysqladmin ping -ppass
+    ports:
+      - 4307:3306
+
   postgres10:
     image: postgres:10
     environment: