feat(utils, module-sdk, medusa): Extract pg connection utils to utils package (#4961)

packages/types/src/modules-sdk/index.ts

@@ -202,6 +202,7 @@ export interface ModuleServiceInitializeOptions {
     database?: string
     driverOptions?: Record<string, unknown>
     debug?: boolean
+    pool?: Record<string, unknown>
   }
 }