docs: Add 371 to bips.md

Author: achow101

doc/bips.md

@@ -58,6 +58,7 @@ BIPs that are implemented by Bitcoin Core (up-to-date up to **v23.0**):
   with mainnet activation as of **v0.21.1** ([PR 21377](https://github.com/bitcoin/bitcoin/pull/21377),
   [PR 21686](https://github.com/bitcoin/bitcoin/pull/21686)).
 * [`BIP 350`](https://github.com/bitcoin/bips/blob/master/bip-0350.mediawiki): Addresses for native v1+ segregated Witness outputs use Bech32m instead of Bech32 as of **v22.0** ([PR 20861](https://github.com/bitcoin/bitcoin/pull/20861)).
+* [`BIP 371`](https://github.com/bitcoin/bips/blob/master/bip-0371.mediawiki): Taproot fields for PSBT as of **v24.0** ([PR 22558](https://github.com/bitcoin/bitcoin/pull/22558)).
 * [`BIP 380`](https://github.com/bitcoin/bips/blob/master/bip-0380.mediawiki)
   [`381`](https://github.com/bitcoin/bips/blob/master/bip-0381.mediawiki)
   [`382`](https://github.com/bitcoin/bips/blob/master/bip-0382.mediawiki)