nostr and nostr-sdk v0.22 are out! 🦀

If you are using bitcoin v0.29 in your deps, you can use version 0.22.0-bitcoin-v0.29 instead of 0.22

Thanks to #[0]​ #[1]​ #[2]​ #[3]​ #[4]​ and to everyone else that I not mentioned.