Update libuv

libs/libuv/test/test-watcher-cross-stop.c

@@ -59,6 +59,9 @@ static void close_cb(uv_handle_t* handle) {
 
 
 TEST_IMPL(watcher_cross_stop) {
+#if defined(__MVS__)
+  RETURN_SKIP("zOS does not allow address or port reuse when using UDP sockets");
+#endif
   uv_loop_t* loop = uv_default_loop();
   unsigned int i;
   struct sockaddr_in addr;