chore: add comment

Author: sapphi-red

packages/vite/src/node/__tests__/plugins/modulePreloadPolyfill/modulePreloadPolyfill.spec.ts

@@ -37,6 +37,7 @@ const buildProject = ({ format = 'es' as ModuleFormat } = {}) =>
   }) as Promise<RollupOutput>
 
 describe('load', () => {
+  // NOTE: due to https://github.com/rolldown/rolldown/issues/2828
   it.skip('loads modulepreload polyfill', async ({ expect }) => {
     const { output } = await buildProject()
     expect(output).toHaveLength(1)