chore: Apply defineMikroOrmCliConfig (#7975)

**What**
Ensure all module rely on the same config for the dev db

FIXES CORE-2493

packages/modules/fulfillment/mikro-orm.config.dev.ts

@@ -1,6 +1,6 @@
 import * as entities from "./src/models"
 import { defineMikroOrmCliConfig, Modules } from "@medusajs/utils"
 
-module.exports = defineMikroOrmCliConfig(Modules.FULFILLMENT, {
+export default defineMikroOrmCliConfig(Modules.FULFILLMENT, {
   entities: Object.values(entities),
 })