You are going to have to renew your passport. (sounds horrible) means you'll have to do it in the near future. ("gonna" is a colloquialism for "going to")

You have to renew your passport. (present simple) It refers to the present.

You will have to renew your passport. (future simple) You'll have to do it at some unspecified time in the future.

You are going to have to renew your passport. (future intention - sounds horrible without "gonna") means you'll have to do it in the near future. ("gonna" is a colloquialism for "going to")

You have to renew your passport. (present simple) It refers to the present.

You will have to renew your passport. (future simple) You'll have to do it at some unspecified time in the future.