quic: skip test-quic-preferred-address-ipv6.js when no ipv6

PR-URL: #33919
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>

test/sequential/test-quic-preferred-address-ipv6.js

@@ -5,6 +5,9 @@ const common = require('../common');
 if (!common.hasQuic)
   common.skip('missing quic');
 
+if (!common.hasIPv6)
+  common.skip('missing ipv6');
+
 const Countdown = require('../common/countdown');
 const assert = require('assert');
 const fixtures = require('../common/fixtures');