fix: use fileURLToPath for Windows-compatible chdir in vitest setup

Author: pullfrog[bot]

packages/openapi-ts-tests/tanstack-query/v5/vitest.setup.ts

@@ -1,5 +1,7 @@
+import { fileURLToPath } from 'node:url';
+
 import { beforeAll } from 'vitest';
 
 beforeAll(() => {
-  globalThis.process.chdir(new URL('.', import.meta.url).pathname);
+  process.chdir(fileURLToPath(new URL('.', import.meta.url)));
 });