Merge rust-bitcoin#4446: Fix broken changelog links

44d01d0 Fix broken changelog links (GarmashAlex)

Pull request description:

  Fixed malformed markdown links in bitcoin/CHANGELOG.md that were causing errors. Specifically, removed double parentheses from links to primitives and units  CHANGELOG.md files, ensuring proper rendering and accessibility of the documentation.

ACKs for top commit:
  apoelstra:
    ACK 44d01d0; successfully ran local tests

Tree-SHA512: e2d2598070c3df8e4dfa59c019d8ab9a1f86731a70624ceef80b68849454bd3828c558ef8eb30bb9d56c648fcacccea459d2a7a536021d65c2fbcbe5595916ce

Author: apoelstra

bitcoin/CHANGELOG.md

@@ -28,8 +28,8 @@ For changes to our dependencies included in this release see:
 - `bitcoin_hashes 0.15`: [changelog](https://github.com/rust-bitcoin/rust-bitcoin/blob/master/hashes/CHANGELOG.md)
 - `hex-conservative 0.3`: [changelog](https://github.com/rust-bitcoin/hex-conservative/blob/master/CHANGELOG.md)
 - `bitcoin-io 0.2`: [changelog](https://github.com/rust-bitcoin/rust-bitcoin/blob/master/io/CHANGELOG.md)
-- `bitcoin-primitives: 0.101`: [changelog]((https://github.com/rust-bitcoin/rust-bitcoin/blob/master/primitives/CHANGELOG.md))
-- `bitcoin-units 0.2`: [changelog]((https://github.com/rust-bitcoin/rust-bitcoin/blob/master/units/CHANGELOG.md))
+- `bitcoin-primitives: 0.101`: [changelog](https://github.com/rust-bitcoin/rust-bitcoin/blob/master/primitives/CHANGELOG.md)
+- `bitcoin-units 0.2`: [changelog](https://github.com/rust-bitcoin/rust-bitcoin/blob/master/units/CHANGELOG.md)
 - `bitcoinconsensus: 0.106.0+26`: [changelog](https://github.com/rust-bitcoin/rust-bitcoinconsensus/blob/master/CHANGELOG.md)
 
 ## Changes