chore(playwright): rename performance test file to use .spec.ts exten…

…sion

Updated the test ignore list to exclude `performance.spec.ts` instead
of `performance.test.ts`. This change aligns with the standard naming
convention for test files in the project.

playwright.config.ts

@@ -6,7 +6,7 @@ export default defineConfig({
   retries: 3,
   workers: process.env.CI ? 2 : 3,
   testIgnore: [
-    'test/performance.test.ts',
+    'test/performance.spec.ts',
   ],
   projects: [
     {