[Snyk] Fix for 27 vulnerabilities

[nathang21]

Snyk has created this PR to fix 27 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
	Uninitialized Memory Exposure npm:base64url:20180511	741
	Prototype Pollution SNYK-JS-LODASH-567746	731
	Arbitrary Code Execution SNYK-JS-HANDLEBARS-534478	726
	Prototype Pollution SNYK-JS-HANDLEBARS-534988	704
	Prototype Pollution SNYK-JS-LODASH-6139239	696
	Regular Expression Denial of Service (ReDoS) SNYK-JS-SEMVER-3247795	696
	Regular Expression Denial of Service (ReDoS) npm:marked:20180225	696
	Prototype Pollution SNYK-JS-LODASH-450202	686
	Prototype Pollution SNYK-JS-LODASH-608086	686
	Prototype Pollution SNYK-JS-LODASH-73638	686
	Code Injection SNYK-JS-LODASH-1040724	681
	Remote Code Execution (RCE) SNYK-JS-HANDLEBARS-1056767	671
	Prototype Pollution SNYK-JS-HANDLEBARS-567742	646
	Prototype Pollution npm:lodash:20180130	636
	Prototype Pollution SNYK-JS-HANDLEBARS-1279029	601
	Prototype Pollution SNYK-JS-MINIMIST-559764	601
	Arbitrary Code Injection SNYK-JS-UNDERSCORE-1080984	596
	Denial of Service (DoS) SNYK-JS-HANDLEBARS-480388	589
	Regular Expression Denial of Service (ReDoS) SNYK-JS-HOSTEDGITINFO-1088355	586
	Regular Expression Denial of Service (ReDoS) SNYK-JS-LODASH-1018905	586
	Regular Expression Denial of Service (ReDoS) SNYK-JS-PATHPARSE-1077067	586
	Prototype Pollution SNYK-JS-HANDLEBARS-173692	579
	Prototype Pollution SNYK-JS-HANDLEBARS-174183	579
	Prototype Pollution SNYK-JS-HANDLEBARS-469063	579
	Regular Expression Denial of Service (ReDoS) SNYK-JS-LODASH-73639	541
	Prototype Pollution SNYK-JS-MINIMIST-2429795	506
	Regular Expression Denial of Service (ReDoS) SNYK-JS-UGLIFYJS-1727251	479

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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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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Remote Code Execution (RCE)
🦉 Prototype Pollution
🦉 Denial of Service (DoS)