Merge bitcoin#34252: doc: add 433 (Pay to Anchor) to bips.md

44b12cd doc: add 433 (Pay to Anchor) to bips.md (Sebastian Falbesoner)

Pull request description:

  See PR bitcoin/bips#1982 (merged recently) and bitcoin#30352 (first released in v28.0).

ACKs for top commit:
  instagibbs:
    ACK 44b12cd
  glozow:
    ACK 44b12cd

Tree-SHA512: 0389bfd9b57a354ef15eff726783c83969586a73de52d27b6d3b042dba14c1361af29303b6ce42330a841310811a81c5e45b5c7d25e307787f1cfbfd75ab3e62

Author: glozow

doc/bips.md

@@ -73,3 +73,4 @@ BIPs that are implemented by Bitcoin Core:
 * [`BIP 386`](https://github.com/bitcoin/bips/blob/master/bip-0386.mediawiki): tr() Output Script Descriptors are implemented as of **v22.0** ([PR 22051](https://github.com/bitcoin/bitcoin/pull/22051)).
 * [`BIP 387`](https://github.com/bitcoin/bips/blob/master/bip-0387.mediawiki): Tapscript Multisig Output Script Descriptors are implemented as of **v24.0** ([PR 24043](https://github.com/bitcoin/bitcoin/pull/24043)).
 * [`BIP 431`](https://github.com/bitcoin/bips/blob/master/bip-0431.mediawiki): transactions with nVersion=3 are standard and treated as Topologically Restricted Until Confirmation as of **v28.0** ([PR 29496](https://github.com/bitcoin/bitcoin/pull/29496)).
+* [`BIP 433`](https://github.com/bitcoin/bips/blob/master/bip-0433.mediawiki): Spending of Pay to Anchor (P2A) outputs is standard as of **v28.0** ([PR 30352](https://github.com/bitcoin/bitcoin/pull/30352)).