Update changelog

CHANGELOG.md

@@ -4,6 +4,7 @@
 *unreleased*
 * Extend bundle information, tree-shake dynamic imports, fix dynamic import facade creation, support manual chunks with multiple entry points, make `optimitzeImports` experimental ([#2575](https://github.com/rollup/rollup/pull/2575))
 * Prune tree-shaken chunk imports, fix missing export shimming, support dynamic namespaces when preserving modules, improve chunk execution order ([#2584](https://github.com/rollup/rollup/pull/2584))
+* Provide module graph information on the plugin context ([#2565](https://github.com/rollup/rollup/pull/2565))
 * Simplify UMD wrapper code and make sure it works in strict mode ([#2594](https://github.com/rollup/rollup/pull/2594))
 * Support exports using destructuring declarations and assignments in SystemJS ([#2587](https://github.com/rollup/rollup/pull/2587))
 * Make sure chunk ids do not contain invalid characters to allow for chunks to correspond to virtual modules ([#2590](https://github.com/rollup/rollup/pull/2590))