deps: macro ENODATA is deprecated in libc++

PR-URL: nodejs#56698
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: zcbenz

deps/uv/unofficial.gni

@@ -7,6 +7,11 @@
 template("uv_gn_build") {
   config("uv_external_config") {
     include_dirs = [ "include" ]
+    if (is_clang || !is_win) {
+      cflags_cc = [
+        "-Wno-deprecated-pragma",  # for using ENODATA in errno.h
+      ]
+    }
   }
 
   config("uv_internal_config") {