update changelog

Author: Conduitry

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 * Fix overly restrictive preprocessor types ([#6904](https://github.com/sveltejs/svelte/pull/6904))
 * More specific typing for crossfade function - returns a tuple, not an array ([#6926](https://github.com/sveltejs/svelte/issues/6926))
+* Add `URLSearchParams` as a known global ([#6938](https://github.com/sveltejs/svelte/pull/6938))
 * Add `types` field to `exports` map ([#6939](https://github.com/sveltejs/svelte/issues/6939))
 
 ## 3.44.1