fix(test): correct fs/promises mock type annotations

Author: SahilRakhaiya05

src/lib/bundle.commit.test.ts

@@ -19,8 +19,8 @@ vi.mock('node:fs/promises', async importOriginal => {
 const { commitBundle } = await import('./bundle.js');
 
 describe('commitBundle', () => {
-  let realRename: NodeFsPromises.rename;
-  let realRm: NodeFsPromises.rm;
+  let realRename: typeof NodeFsPromises.rename;
+  let realRm: typeof NodeFsPromises.rm;
 
   beforeEach(async () => {
     const actual = (await vi.importActual('node:fs/promises')) as typeof NodeFsPromises;