[Snyk] Fix for 7 vulnerabilities

[sumitkm]

Snyk has created this PR to fix 7 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
	Asymmetric Resource Consumption (Amplification) SNYK-JS-BODYPARSER-7926860	696
	Prototype Poisoning SNYK-JS-QS-3153490	696
	Prototype Override Protection Bypass npm:qs:20170213	589
	Regular Expression Denial of Service (ReDoS) npm:debug:20170905	506
	Regular Expression Denial of Service (ReDoS) npm:ms:20170412	399
	Cross-site Scripting SNYK-JS-SEND-7926862	391
	Cross-site Scripting SNYK-JS-SERVESTATIC-7926865	391

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• 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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🦉 Prototype Poisoning
🦉 Prototype Override Protection Bypass
🦉 Cross-site Scripting
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