fix: Fix server sdk test to assert a pattern that actually exists

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: nicohrubec

packages/tanstackstart-react/test/server/sdk.test.ts

@@ -57,7 +57,7 @@ describe('TanStack Start React Server SDK', () => {
 
       expect(nodeInit).toHaveBeenCalledWith(
         expect.objectContaining({
-          ignoreSpans: expect.arrayContaining([/custom-pattern/, /\/favicon\.ico/]),
+          ignoreSpans: expect.arrayContaining([/custom-pattern/, /\/@vite\//]),
         }),
       );
     });