chore: generate types -.-"

Author: paoloricciuti

packages/svelte/types/index.d.ts

@@ -1458,7 +1458,7 @@ declare module 'svelte/compiler' {
 	type ICompileDiagnostic = {
 		code: string;
 		message: string;
-		stack: string;
+		stack?: string;
 		filename?: string;
 		start?: Location;
 		end?: Location;
@@ -2287,7 +2287,7 @@ declare module 'svelte/types/compiler/interfaces' {
 	type ICompileDiagnostic = {
 		code: string;
 		message: string;
-		stack: string;
+		stack?: string;
 		filename?: string;
 		start?: Location;
 		end?: Location;