Change Facebook Messenger webhook url without FB re-reviewing application

Is it possible to change my Facebook Messenger webhook URL without having FB to review again my application (since it takes a couple of weeks to do so)?

Yes, you can always change the webhook without having to resubmit your Facebook App for review. I've switch my bot's webhook back and forth several times (even to my local development webhook with ngrok).

In some apps the Webhooks is not even there yet, so for those who don't see it, you have to "Add Product" and choose Webhooks.