docs: Fix link to rust-bitcoin

Author: ValuedMammal

README.md

@@ -155,5 +155,5 @@ conditions.
 [`bdk_electrum`]: https://docs.rs/bdk_electrum/latest
 [`bdk_esplora`]: https://docs.rs/bdk_esplora/latest
 [`bdk_bitcoind_rpc`]: https://docs.rs/bdk_bitcoind_rpc/latest
-[`rust-bitcoin`]: https://docs.rs/miniscript/latest/bitcoin/index.html
+[`rust-bitcoin`]: https://docs.rs/bitcoin/latest/bitcoin/
 [`rust-miniscript`]: https://docs.rs/miniscript/latest/miniscript/index.html