add missing changelog entry

Author: Rich-Harris

packages/svelte/CHANGELOG.md

@@ -4,6 +4,8 @@
 
 ### Patch Changes
 
+- feat: proxied staet ([#9739](https://github.com/sveltejs/svelte/pull/9739))
+
 - chore: more validation errors ([#9723](https://github.com/sveltejs/svelte/pull/9723))
 
 - fix: allow duplicate snippet declaration names ([#9759](https://github.com/sveltejs/svelte/pull/9759))