docs: Update changelogs

Author: sirtimid

packages/ocap-kernel/CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Bound relay hints in OCAP URLs to a maximum of 3 (prioritizing bootstrap relays, then most recently seen) and cap the relay pool at 20 entries with eviction of oldest non-bootstrap relays ([#889](https://github.com/MetaMask/ocap-kernel/issues/889))
+
 ## [0.7.0]
 
 ### Added