[Snyk] Security upgrade node-sass from 4.14.1 to 9.0.0

[drich7449]

Snyk has created this PR to fix 8 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• test/fixtures/boostrap-sass/package.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Regular Expression Denial of Service (ReDoS) SNYK-JS-CROSSSPAWN-8303230	756
	Regular Expression Denial of Service (ReDoS) SNYK-JS-SEMVER-3247795	696
	Uncontrolled Resource Consumption ('Resource Exhaustion') SNYK-JS-TAR-6476909	646
	Arbitrary File Write SNYK-JS-TAR-1579147	639
	Arbitrary File Write SNYK-JS-TAR-1579152	639
	Arbitrary File Write SNYK-JS-TAR-1579155	639
	Denial of Service (DoS) SNYK-JS-TRIMNEWLINES-1298042	589
	Regular Expression Denial of Service (ReDoS) SNYK-JS-TAR-1536758	410

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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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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Regular Expression Denial of Service (ReDoS)
🦉 Arbitrary File Write