chore(core): upload flaky test traces (#9974)

tests/affine-cloud-copilot/playwright.config.ts

@@ -18,8 +18,8 @@ const config: PlaywrightTestConfig = {
     viewport: { width: 1440, height: 800 },
     actionTimeout: 10 * 1000,
     locale: 'en-US',
-    trace: 'on',
-    video: 'on',
+    trace: 'retain-on-failure',
+    video: 'retain-on-failure',
   },
   forbidOnly: !!process.env.CI,
   workers: 4,