src: use V8_ENABLE_SANDBOX macro

It was renamed from V8_SANDBOX

PR-URL: #44741
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

test/cctest/node_test_fixture.cc

@@ -19,7 +19,7 @@ void NodeTestEnvironment::SetUp() {
   NodeZeroIsolateTestFixture::platform.reset(
       new node::NodePlatform(kV8ThreadPoolSize, tracing_controller));
   v8::V8::InitializePlatform(NodeZeroIsolateTestFixture::platform.get());
-#ifdef V8_SANDBOX
+#ifdef V8_ENABLE_SANDBOX
   ASSERT_TRUE(v8::V8::InitializeSandbox());
 #endif
   cppgc::InitializeProcess(