[Snyk] Upgrade ws from 0.4.32 to 7.2.1

[snyk-bot]

Snyk has created this PR to upgrade ws from 0.4.32 to 7.2.1.

ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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Warning: This is a major version upgrade, and may be a breaking change.

• The recommended version is 64 versions ahead of your current version.
• The recommended version was released 3 months ago, on 2019-12-14.

The recommended version fixes:

Severity	Issue	Exploit Maturity
	Denial of Service (DoS) npm:ws:20171108	Mature
	Denial of Service (DoS) npm:ws:20160624	No Known Exploit
	Insecure Randomness npm:ws:20160920	No Known Exploit
	Remote Memory Exposure npm:ws:20160104	No Known Exploit

Release notes

Package name: ws

• 7.2.1 - 2019-12-14
  

  Bug fixes

  • Added bufferutil and utf-8-validate as peer dependencies (#1626).
• 7.2.0 - 2019-10-19
  

  Features

  • Added ability to specify the readableObjectMode option when using
    WebSocket.createWebSocketStream() (#1647).
• 7.1.2 - 2019-08-12
  

  Bug fixes

  • Fixed a bug that caused compress jobs to never be marked as complete
    (#1618).
• 7.1.1 - 2019-07-19
  

  Bug fixes

  • An error is now thrown if the WebSocket server constructor is used
    incorrectly (3641266).
• 7.1.0 - 2019-07-08
  

  Features

  • Added utility to wrap a WebSocket in a Duplex stream (#1589).

  Bug fixes

  • Reverted "[minor] Remove unneeded if statement" (dbacf58, #1591).
• 7.0.1 - 2019-06-17
  

  Bug fixes

  • Added ability to disable sending the SNI extension (#1587).
• 7.0.0 - 2019-04-30
  

  Breaking changes

  • Dropped support for Node.js 6 (1e6999b).
  • Dropped support for url.Url instances in the WebSocket constructor
    (692d7b4).
  • The behavior of WebSocket#{p{i,o}ng,send}() has changed when the
    readyState attribute is not OPEN (#1532)
    • If the readyState attribute is CONNECTING, an exception is thrown.
    • If the readyState attribute is CLOSING or CLOSED
      • The bufferedAmount attribute is increased by the length of the data
        argument in bytes.
      • If provided, the callback function is called with an error.
      • No exception is thrown even if the callback function is not provided.
• 6.2.1 - 2019-03-27
  

  Bug fixes

  • Fixed a bug that, under certain circumstances, prevented the close timer from
    being set (aa1dcd5).
• 6.2.0 - 2019-03-06
• 6.1.4 - 2019-02-16
• 6.1.3 - 2019-01-24
• 6.1.2 - 2018-11-17
• 6.1.1 - 2018-11-17
• 6.1.0 - 2018-10-05
• 6.0.0 - 2018-07-21
• 5.2.2 - 2018-07-11
• 5.2.1 - 2018-06-23
• 5.2.0 - 2018-05-21
• 5.1.1 - 2018-04-02
• 5.1.0 - 2018-03-19
• 5.0.0 - 2018-03-06
• 4.1.0 - 2018-02-22
• 4.0.0 - 2018-01-05
• 3.3.3 - 2017-12-17
• 3.3.2 - 2017-11-21
• 3.3.1 - 2017-11-08
• 3.3.0 - 2017-11-04
• 3.2.0 - 2017-09-15
• 3.1.0 - 2017-07-27
• 3.0.0 - 2017-05-17
• 2.3.1 - 2017-04-20
• 2.3.0 - 2017-04-20
• 2.2.3 - 2017-04-03
• 2.2.2 - 2017-03-21
• 2.2.1 - 2017-03-13
• 2.2.0 - 2017-02-28
• 2.1.0 - 2017-02-18
• 2.0.3 - 2017-02-08
• 2.0.2 - 2017-02-03
• 2.0.1 - 2017-02-01
• 2.0.0 - 2017-01-30
• 2.0.0-beta.2 - 2017-01-25
• 2.0.0-beta.1 - 2017-01-14
• 2.0.0-beta.0 - 2017-01-10
• 1.1.5 - 2017-11-08
• 1.1.4 - 2017-03-11
• 1.1.3 - 2017-03-11
• 1.1.2 - 2017-02-13
• 1.1.1 - 2016-06-24
• 1.1.0 - 2016-04-11
• 1.0.1 - 2016-01-04
• 1.0.0 - 2015-12-30
• 0.8.1 - 2015-11-29
• 0.8.0 - 2015-08-21
• 0.7.2 - 2015-05-14
• 0.7.1 - 2015-01-29
• 0.7.0 - 2015-01-22
• 0.6.5 - 2015-01-05
• 0.6.4 - 2014-12-28
• 0.6.3 - 2014-12-08
• 0.6.2 - 2014-12-06
• 0.6.1 - 2014-12-06
• 0.6.0 - 2014-12-05
• 0.5.0 - 2014-11-20
• 0.4.32 - 2014-08-06

from ws GitHub release notes

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