docs: fix malformed markdown link references in CHANGELOG.md

Author: rnkrtt

bitcoin/CHANGELOG.md

@@ -99,13 +99,13 @@ For changes to our dependencies included in this release see:
 - Pass keys by value [#2868](https://github.com/rust-bitcoin/rust-bitcoin/pull/2868)
 - Clarify the meaning of `Height` & `Time` based locktime [#2858](https://github.com/rust-bitcoin/rust-bitcoin/pull/2858)
 - Add API for extracting the inner payload of `RawNetworkMessage` [#2839](https://github.com/rust-bitcoin/rust-bitcoin/pull/2839)
-- Update `bitcoinconsensus` version to `0.106.0+26` [#2833] (https://github.com/rust-bitcoin/rust-bitcoin/pull/2833)
+- Update `bitcoinconsensus` version to `0.106.0+26` [#2833](https://github.com/rust-bitcoin/rust-bitcoin/pull/2833)
 - Make `difficulty_float` general to all networks [#2816](https://github.com/rust-bitcoin/rust-bitcoin/pull/2816)
 - Add const modifier to `Magic::from_bytes` [#2815](https://github.com/rust-bitcoin/rust-bitcoin/pull/2815)
 - Add an `AddressData` type [#2808](https://github.com/rust-bitcoin/rust-bitcoin/pull/2808)
 - Make `Address:p2sh_from_hash` public [#2795](https://github.com/rust-bitcoin/rust-bitcoin/pull/2795)
 - Enable getting the witness program from an address [#2796](https://github.com/rust-bitcoin/rust-bitcoin/pull/2796)
-- Enforce script size limit when hashing scripts [##2794](https://github.com/rust-bitcoin/rust-bitcoin/pull/2794https://github.com/rust-bitcoin/rust-bitcoin/pull/#2794)
+- Enforce script size limit when hashing scripts [#2794](https://github.com/rust-bitcoin/rust-bitcoin/pull/2794)
 - Deprecate `to_vec` in favour of `to_bytes` [#2768](https://github.com/rust-bitcoin/rust-bitcoin/pull/2768)
 - Flesh out hex unit parsing API [#2765](https://github.com/rust-bitcoin/rust-bitcoin/pull/2765)
 - Bench `base58` encoding and remove `SmallVec` to improve perf [#2759](https://github.com/rust-bitcoin/rust-bitcoin/pull/2759)