⬆️ upgrade ws to v8.21.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ws	8.18.3 → 8.21.0

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Release Notes

websockets/ws (ws)

v8.21.0

Compare Source

v8.20.1

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Bug fixes

• Fixed an uninitialized memory disclosure issue in websocket.close()
  (c0327ec).

Providing a TypedArray (e.g. Float32Array) as the reason argument for
websocket.close(), rather than the supported string or Buffer types, caused
uninitialized memory to be disclosed to the remote peer.

import { deepStrictEqual } from 'node:assert';
import { WebSocket, WebSocketServer } from 'ws';

const wss = new WebSocketServer(
  { port: 0, skipUTF8Validation: true },
  function () {
    const { port } = wss.address();
    const ws = new WebSocket(`ws://localhost:${port}`, {
      skipUTF8Validation: true
    });

    ws.on('close', function (code, reason) {
      deepStrictEqual(reason, Buffer.alloc(80));
    });
  }
);

wss.on('connection', function (ws) {
  ws.close(1000, new Float32Array(20));
});

The issue was privately reported by Nikita Skovoroda.

v8.20.0

Compare Source

Features

• Added exports for the PerMessageDeflate class and utilities for the
  Sec-WebSocket-Extensions and Sec-WebSocket-Protocol headers (d3503c1).

v8.19.0

Compare Source

Features

• Added the closeTimeout option (#​2308).

Bug fixes

• Handled a forthcoming breaking change in Node.js core (1998485).

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