[Snyk] Security upgrade node-sass from 0.8.6 to 4.9.0

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • public/js/vendor/sass/package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	761/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 8.8	NULL Pointer Dereference SNYK-JS-NODESASS-540974	Yes	Proof of Concept

(*) Note that the real score may have changed since the PR was raised.

Check the changes in this PR to ensure they won't cause issues with your project.

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For more information:
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📚 Read more about Snyk's upgrade and patch logic

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🦉 NULL Pointer Dereference

[stale]

This issue has been automatically marked as stale because it has not had recent activity. More importantly, jsbin has been undergoing a massive refactor by Remy, and a large number of issues have been resolved, but with the growing 600+ open issues, the Stalebot (me), has been brought in to try to manage the issues.
Keep an eye on jsbin.com blog posts and the @js_bin twitter account for updates on the new version of jsbin ❤️
It will be closed next week if no further activity occurs. Thank you for your contributions.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. More importantly, jsbin has been undergoing a massive refactor by Remy, and a large number of issues have been resolved, but with the growing 600+ open issues, the Stalebot (me), has been brought in to try to manage the issues.
Keep an eye on jsbin.com blog posts and the @js_bin twitter account for updates on the new version of jsbin ❤️
It will be closed next week if no further activity occurs. Thank you for your contributions.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. More importantly, jsbin has been undergoing a massive refactor by Remy, and a large number of issues have been resolved, but with the growing 600+ open issues, the Stalebot (me), has been brought in to try to manage the issues.
Keep an eye on jsbin.com blog posts and the @js_bin twitter account for updates on the new version of jsbin ❤️
It will be closed next week if no further activity occurs. Thank you for your contributions.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. More importantly, jsbin has been undergoing a massive refactor by Remy, and a large number of issues have been resolved, but with the growing 600+ open issues, the Stalebot (me), has been brought in to try to manage the issues.
Keep an eye on jsbin.com blog posts and the @js_bin twitter account for updates on the new version of jsbin ❤️
It will be closed next week if no further activity occurs. Thank you for your contributions.