fix: Make util.paths test platform-agnostic

This commit fixes the `util.paths` test in `__tests__/util.test.ts` to be platform-agnostic by using `path.join` for constructing expected file paths. This resolves the test failure on Windows due to differences in path separators.

Author: taj54

__tests__/util.test.ts

@@ -10,6 +10,7 @@ import {
 } from '../src/util';
 
 import { assert, describe, expect, it } from 'vitest';
+import * as path from 'path';
 
 describe('util', () => {
   describe('uploadUrl', () => {
@@ -385,7 +386,7 @@ describe('util', () => {
   describe('paths', () => {
     it('resolves files given a set of paths', async () => {
       assert.deepStrictEqual(paths(['tests/data/**/*', 'tests/data/does/not/exist/*']), [
-        'tests/data/foo/bar.txt',
+        path.join('tests', 'data', 'foo', 'bar.txt'),
       ]);
     });
   });