[Snyk] Security upgrade express from 2.5.8 to 4.20.0

[oidong1]

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

Snyk changed the following file(s):

• package.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Cross-site Scripting SNYK-JS-EXPRESS-7926867	541

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🦉 Cross-site Scripting

[socket-security]

New and removed dependencies detected. Learn more about Socket for GitHub ↗︎

Package	New capabilities	Transitives	Size	Publisher
npm/express@4.20.0	Transitive: environment, eval, filesystem, network, unsafe	+66	2.44 MB	blakeembrey, dougwilson, linusu, ...4 more

🚮 Removed packages: npm/express@2.5.8

View full report↗︎