os: convert uid and gid to 32-bit signed integers

Make `os.userInfo()` convert the `uid` and `gid` fields to 32-bit signed
integers on Windows.

PR-URL: #42340
Refs: libuv/libuv@f3e0bffcb14
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

lib/os.js

@@ -354,6 +354,11 @@ function userInfo(options) {
   if (user === undefined)
     throw new ERR_SYSTEM_ERROR(ctx);
 
+  if (isWindows) {
+    user.uid |= 0;
+    user.gid |= 0;
+  }
+
   return user;
 }