sandbox: support vsock connection to task api

Signed-off-by: Abel Feng <fshb1988@gmail.com>

vendor/github.com/mdlayher/socket/typ_none.go

@@ -0,0 +1,11 @@
+//go:build darwin
+// +build darwin
+
+package socket
+
+const (
+	// These operating systems do not support CLOEXEC and NONBLOCK socket
+	// options.
+	flagCLOEXEC = false
+	socketFlags = 0
+)