benchmark: update iterations of assert/deepequal-typedarrays.js

Fixes: #50571
PR-URL: #51419
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>

Author: Lei Shi

benchmark/assert/deepequal-typedarrays.js

@@ -9,7 +9,7 @@ const bench = common.createBenchmark(main, {
     'Float32Array',
     'Uint32Array',
   ],
-  n: [5e2],
+  n: [25000],
   strict: [0, 1],
   method: [
     'deepEqual',