path: change path.join to use array dynamic allocation

Change path.join to use array dynamic allocation instead of push.

Refs: nodejs#54331

Author: HBSPS

lib/path.js

@@ -1242,7 +1242,7 @@ const posix = {
       const arg = args[i];
       validateString(arg, 'path');
       if (arg.length > 0) {
-        path.push(arg);
+        path[path.length] = arg;
       }
     }