[Snyk] Security upgrade ws from 3.3.3 to 5.2.3

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	586/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 5.3	Regular Expression Denial of Service (ReDoS) SNYK-JS-WS-1296835	Yes	Proof of Concept

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: ws

The new version differs by 94 commits.

• 6dd88e7 [dist] 5.2.3
• 76d47c1 [security] Fix ReDoS vulnerability
• 5d55e52 [dist] 5.2.2
• 8aba871 [fix] Fix use after invalidation bug
• 175ce46 [dist] 5.2.1
• 307be7a [fix] Remove the `'data'` listener when the receiver emits an error
• 6046a28 [fix] Do not prematurely remove the listener of the `'data'` event
• bf9b2ec chore(package): update nyc to version 12.0.2 (#1395)
• bcab531 chore(package): update eslint-plugin-promise to version 3.8.0 (#1389)
• e4d032c [dist] 5.2.0
• e7bfe5f chore(package): update mocha to version 5.2.0 (#1385)
• 6dae94b chore(package): update eslint-plugin-import to version 2.12.0 (#1384)
• aebda2b chore(package): update nyc to version 11.8.0 (#1382)
• d871bdf [feature] Add `headers` argument to `verifyClient()` callback (#1379)
• bb9c21c [test] Fix failing test on node 10
• 6d8f1f4 [ci] Test on node 10
• 4385c78 [doc] Add `request` to emit arguments in shared server example (#1372)
• 690b3f2 [minor] Replace bound function with arrow function
• 9dc25a3 chore(package): update nyc to version 11.7.1 (#1364)
• a81e580 chore(package): update mocha to version 5.1.0 (#1362)
• 3215cf3 chore(package): update eslint-plugin-import to version 2.11.0 (#1361)
• 0100d82 [doc] Improve FAQ example for X-Forwarded-For header (#1360)
• c801e99 [doc] Improve docs and examples (#1355)
• 10c92ff [dist] 5.1.1

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