[Snyk] Security upgrade serverless from 3.39.0 to 4.0.0

[yanlow]

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
	Server-side Request Forgery (SSRF) SNYK-JS-AXIOS-7361793	833

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🦉 Server-side Request Forgery (SSRF)