use node: prefix for requires

mostly because code is being autogenerated by all the AI stuff using
this prefix. it's also used in the stack trace.

src/progress-stream.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const stream = require('stream'),
+const stream = require('node:stream'),
     TransformStream = stream.Transform;
 
 class ProgressStream extends TransformStream {