test: fix test-benchmark-net

Fix test-benchmark-net to accommodate recent benchmark additions.

PR-URL: https://github.com/nodejs/node/pull/29359
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

test/benchmark/test-benchmark-net.js

@@ -12,6 +12,9 @@ runBenchmark('net',
              [
                'dur=0',
                'len=1024',
+               'recvbufgenfn=false',
+               'recvbuflen=0',
+               'sendchunklen=256',
                'type=buf'
              ],
              { NODEJS_BENCHMARK_ZERO_ALLOWED: 1 });