[Snyk] Security upgrade purest from 2.0.1 to 4.0.0

[iliutastoica]

Snyk has created this PR to fix 12 vulnerabilities in the npm dependencies of this project.

Snyk changed the following file(s):

• cheesecakes/plugins/users-permissions/package.json

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Authentication Bypass SNYK-JS-HAWK-6969142	786
	Remote Memory Exposure SNYK-JS-BL-608877	706
	Regular Expression Denial of Service (ReDoS) SNYK-JS-ANSIREGEX-1583908	696
	Prototype Poisoning SNYK-JS-QS-3153490	696
	Server-side Request Forgery (SSRF) SNYK-JS-REQUEST-3361831	646
	Prototype Pollution npm:hoek:20180212	636
	Prototype Override Protection Bypass npm:qs:20170213	589
	Regular Expression Denial of Service (ReDoS) SNYK-JS-HAWK-2808852	584
	Prototype Pollution npm:extend:20180424	579
	Uninitialized Memory Exposure npm:tunnel-agent:20170305	576
	Timing Attack npm:http-signature:20150122	539
	Remote Memory Exposure npm:request:20160119	469

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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.
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🦉 Regular Expression Denial of Service (ReDoS)
🦉 Authentication Bypass
🦉 Prototype Poisoning
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