[Snyk] Upgrade socket.io from 2.2.0 to 2.4.1

[snyk-bot]

Snyk has created this PR to upgrade socket.io from 2.2.0 to 2.4.1.

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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• The recommended version is 3 versions ahead of your current version.
• The recommended version was released a year ago, on 2021-01-07.

The recommended version fixes:

Severity	Issue	PriorityScore (*)	Exploit Maturity
	Access Restriction Bypass SNYK-JS-XMLHTTPREQUESTSSL-1255647	472/1000 Why? Proof of Concept exploit, CVSS 7.3	Proof of Concept
	Arbitrary Code Injection SNYK-JS-XMLHTTPREQUESTSSL-1082936	472/1000 Why? Proof of Concept exploit, CVSS 7.3	Proof of Concept
	Denial of Service (DoS) SNYK-JS-SOCKETIOPARSER-1056752	472/1000 Why? Proof of Concept exploit, CVSS 7.3	Proof of Concept
	Regular Expression Denial of Service (ReDoS) SNYK-JS-WS-1296835	472/1000 Why? Proof of Concept exploit, CVSS 7.3	Proof of Concept
	Insecure Defaults SNYK-JS-SOCKETIO-1024859	472/1000 Why? Proof of Concept exploit, CVSS 7.3	Proof of Concept

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

Release notes

Package name: socket.io

• 2.4.1 - 2021-01-07
• 2.4.0 - 2021-01-04
• 2.3.0 - 2019-09-20
• 2.2.0 - 2018-11-28

from socket.io GitHub release notes

Commit messages

Package name: socket.io

• e6b8697 chore(release): 2.4.1
• a169050 revert: fix(security): do not allow all origins by default
• 873fdc5 chore(release): 2.4.0
• f78a575 fix(security): do not allow all origins by default
• d33a619 fix: properly overwrite the query sent in the handshake
• 3951a79 chore: bump engine.io version
• 6fa026f ci: migrate to GitHub Actions
• 47161a6 [chore] Release 2.3.0
• cf39362 [chore] Bump socket.io-parser to version 3.4.0
• 4d01b2c test: remove deprecated Buffer usage (#3481)
• 8227192 [docs] Fix the default value of the 'origins' parameter (#3464)
• 1150eb5 [chore] Bump engine.io to version 3.4.0
• 9c1e73c [chore] Update the license of the chat example (#3410)

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