benchmark: add vm context global proxy benchmark

PR-URL: #44796
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: joyeecheung

benchmark/vm/context-global-proxy.js

@@ -0,0 +1,21 @@
+'use strict';
+
+const common = require('../common.js');
+
+const bench = common.createBenchmark(main, {
+  n: [100000],
+});
+
+const vm = require('vm');
+const script = new vm.Script(`
+  globalThis.foo++;
+`);
+const context = vm.createContext({ foo: 1 });
+
+function main({ n }) {
+  bench.start();
+  for (let i = 0; i < n; i++) {
+    script.runInContext(context);
+  }
+  bench.end(n);
+}