[Snyk] Security upgrade tinymce from 4.0.20 to 6.8.4

[devsmart]

This PR was automatically created by Snyk using the credentials of a real user.


Snyk has created this PR to fix 1 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• static/monitoring/package.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Cross-site Scripting (XSS) SNYK-JS-TINYMCE-7278059	551

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• This PR was automatically created by Snyk using the credentials of a real user.

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