benchmark: cover rejected input in socket address parse

The parse benchmark only measured inputs that parse successfully, so the
rejection paths were unmeasured. Add a group covering the four ways the
parser bails: a non-address host and a legacy hex form that only
uv_inet_pton rejects, an out of range port, and an unterminated IPv6
address that never reaches uv_ip6_addr.

Assisted-by: Claude Opus 5
Signed-off-by: Guilherme Araújo <arauujogui@gmail.com>

Author: araujogui

benchmark/net/net-socketaddress-parse.js

@@ -24,6 +24,12 @@ const inputs = {
     '[2001:db8::1]:8080',
     '[::ffff:127.0.0.1]:65535',
   ],
+  'invalid': [
+    'localhost',
+    '0x7f.1',
+    '127.0.0.1:99999',
+    '[::1',
+  ],
 };
 
 const bench = common.createBenchmark(main, {