[Snyk] Fix for 4 vulnerabilities

[fengmk2]

Snyk has created this PR to fix 4 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
	Server-side Request Forgery (SSRF) SNYK-JS-REQUEST-3361831	646
	Prototype Pollution SNYK-JS-TOUGHCOOKIE-5672873	646
	Improper Control of Dynamically-Managed Code Resources SNYK-JS-EJS-6689533	586
	Regular Expression Denial of Service (ReDoS) npm:clean-css:20180306	506

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[!IMPORTANT]

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

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🦉 Improper Control of Dynamically-Managed Code Resources 🦉 Server-side Request Forgery (SSRF) 🦉 Prototype Pollution 🦉 More lessons are available in Snyk Learn