Update CHANGELOG.md

Author: dummdidumm

packages/svelte/CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## 4.0.0
 
-### Patch Changes
+### Major Changes
 
 - breaking: Minimum supported Node version is now Node 16 ([#8566](https://github.com/sveltejs/svelte/pull/8566))
 
@@ -46,6 +46,8 @@
 
 - breaking: use `CustomEvent` constructor instead of deprecated `createEvent` method ([#8775](https://github.com/sveltejs/svelte/pull/8775))
 
+### Patch Changes
+
 - fix: export ComponentType from `svelte` entrypoint ([#8578](https://github.com/sveltejs/svelte/pull/8578))
 
 - feat: smaller minified output for destructor chunks ([#8763](https://github.com/sveltejs/svelte/pull/8763))