chore: use next branch again after they merged their feature branch in (#448)

Author: dominikg

tests/storybook.ts

@@ -5,7 +5,7 @@ export async function test(options: RunOptions) {
 	await runInRepo({
 		...options,
 		repo: 'storybookjs/storybook',
-		branch: options.viteMajor < 8 ? 'next' : 'valentin/support-vite-8',
+		branch: 'next',
 		build: 'vite-ecosystem-ci:build',
 		beforeTest: 'vite-ecosystem-ci:before-test',
 		test: 'vite-ecosystem-ci:test',