docs: changelog

Author: lidel

CHANGELOG.md

@@ -18,6 +18,8 @@ The following emojis are used to highlight certain changes:
 
 ### Changed
 
+- `routing/http/client`: creating delegated routing client with `New` now defaults to querying delegated routing server with `DefaultProtocolFilter`  ([IPIP-484](https://github.com/ipfs/specs/pull/484)) [#689](https://github.com/ipfs/boxo/pull/689)
+
 ### Removed
 
 ### Fixed