[Snyk] Security upgrade socket.io from 2.4.1 to 3.0.0#4

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snyk-bot wants to merge 1 commit intomasterfrom snyk-fix-e05aaaa9dea964d2ff454b7b9baa2bab

+1-1

Commits on Jan 8, 2021

fix: package.json to reduce vulnerabilities
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