Bump ws from 1.1.5 to 3.3.1

[dependabot]

Bumps ws from 1.1.5 to 3.3.1.

Release notes

Sourced from ws's releases.

3.3.1

Bug fixes

• Fixed a DoS vulnerability (c4fe466).

A specially crafted value of the Sec-WebSocket-Extensions header that
used Object.prototype property names as extension or parameter names
could be used to make a ws server crash.

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

const wss = new WebSocket.Server({ port: 3000 }, function () {
  const payload = 'constructor';  // or ',;constructor'

  const request = [
    'GET / HTTP/1.1',
    'Connection: Upgrade',
    'Sec-WebSocket-Key: test',
    'Sec-WebSocket-Version: 8',
    `Sec-WebSocket-Extensions: ${payload}`,
    'Upgrade: websocket',
    '\r\n'
  ].join('\r\n');

  const socket = net.connect(3000, function () {
    socket.resume();
    socket.write(request);
  });
});

The vulnerability has been privately reported by Nick Starke and
Ryan Knell of Sonatype Security Research and promptly fixed. Please
update now!

3.3.0

Features

• Added ecdhCurve option (#1228).

3.2.0

Features

• Added ability to specify the compression level (#1199).
• Added ability to limit the number of concurrent calls to zlib (#1204).

3.1.0

Features

... (truncated)

Commits

• 70eb3b2 [dist] 3.3.1
• c4fe466 [security] Fix DoS vulnerability
• 56f8062 [dist] 3.3.0
• 72751d3 [test] Skip family option test if IPv6 is not supported
• e5772a3 chore(package): update nyc to version 11.3.0 (#1230)
• db729ef [doc] Add documentation for the ecdhCurve option
• d0741fa [feature] Add ecdhCurve option (#1228)
• 9303db3 [ci] Test on node 9
• 48b0496 [ci] Do not test on node 4.1.0, use 4.2.0 instead
• d6934af [test] Fix error validation on node 9
• Additional commits viewable in compare view

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