fix(registry): create unique browser download path

This allows concurrent downloads of browsers by
Playwright.

Fixes #32179

Author: gotlougit

packages/playwright-core/src/server/registry/browserFetcher.ts

@@ -37,7 +37,8 @@ export async function downloadBrowserWithProgressBar(title: string, browserDirec
     return false;
   }
 
-  const zipPath = path.join(os.tmpdir(), downloadFileName);
+  const downloadFolder = await fs.promises.mkdtemp(path.join(os.tmpdir(), 'playwright-download-'));
+  const zipPath = path.join(downloadFolder, downloadFileName);
   try {
     const retryCount = 5;
     for (let attempt = 1; attempt <= retryCount; ++attempt) {
@@ -49,8 +50,10 @@ export async function downloadBrowserWithProgressBar(title: string, browserDirec
         debugLogger.log('install', `SUCCESS installing ${title}`);
         break;
       }
-      if (await existsAsync(zipPath))
+      if (await existsAsync(zipPath)) {
         await fs.promises.unlink(zipPath);
+        await fs.promises.rmdir(downloadFolder, { recursive: true });
+      }
       if (await existsAsync(browserDirectory))
         await fs.promises.rmdir(browserDirectory, { recursive: true });
       const errorMessage = error?.message || '';