[secp256k1] Merged PR from jonasnick: Add module "musig" that implements MuSig2 multi-signatures (BIP 327) https://github.com/bitcoin-core/secp256k1/pull/1479
It's happening!!!!! nostr:nevent1qqszegkqhx4clvve9qmdpwm9qtayqhex2c2psh2n0xzahu5nf5ptvcspz3mhxue69uhkummnw3ezu7psvchx7un89upzp5tvzqua7l6rxhak63yu90vc9wgy2qy62yamravwhtwlsqqgl4qwqvzqqqqqqy83mzzu