guardFactory is not a function

[AimForNaN]

Package version

@adonisjs/auth@9.1.1

Describe the bug

Setting guards to middleware.auth() throws an error.

Code that triggered it:

router.get('/', '#controllers/index_controller.index').use(middleware.auth({
	guards: ['web', 'api'],
}));

Error blamed on app/middleware/auth_middleware.ts line 22.

Reproduction repo

No response

[thetutlage]

Please share complete reproduction. Just with one line of code, I cannot figure out the error.