[Snyk] Security upgrade socket.io from 3.0.0 to 4.5.2

[pkfln]

Snyk has created this PR to fix 1 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• package.json
• package-lock.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Denial of Service (DoS) SNYK-JS-SOCKETIOPARSER-5596892	589

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