test: increase stats card e2e timeout

tests/e2e/e2e.test.js

@@ -110,7 +110,7 @@ describe("Fetch Cards", () => {
 
     // Check if stats card from deployment matches the stats card from local.
     expect(serverStatsSvg.data).toEqual(localStatsCardSVG);
-  });
+  }, 6000);
 
   test("retrieve language card", async () => {
     expect(VERCEL_PREVIEW_URL).toBeDefined();