chore: update changelog

Author: ilbertt

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## [Unreleased]
 
 - feat(core)!: removes `@dfinity/{agent,candid,identity,identity-secp256k1,principal}` peer dependencies and moves their source code to the `@icp-sdk/core` package
+- feat(agent)!: use `/api/v4` for call requests
 - feat(assets)!: replaces `@dfinity/{agent,candid,principal}` deps with `@icp-sdk/core`
 - feat(assets)!: drops support for cjs for the `@dfinity/assets` package
 - feat(auth-client)!: `@dfinity/auth-client` has been deprecated. Migrate to [`@icp-sdk/auth`](https://js.icp.build/auth/latest/upgrading/v4)