test: skip test-v8-serialize-leak on IBM i

On IBM i rss memory information is not available and always returns `0`. PR-URL: #43511 Refs: #43509 Refs: libuv/libuv#2732 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Luigi Pinca <[email protected]>

Author: richardlau

test/parallel/test-v8-serialize-leak.js

@@ -1,7 +1,12 @@
 'use strict';
 // Flags: --expose-gc
 
-require('../common');
+constcommon=require('../common');
+
+// On IBMi, the rss memory always returns zero
+if(common.isIBMi)
+common.skip('On IBMi, the rss memory always returns zero');
+
 constv8=require('v8');
 constassert=require('assert');