[Snyk] Upgrade next from 15.1.6 to 15.5.4

[ebothegreat]

Snyk has created this PR to upgrade next from 15.1.6 to 15.5.4.

ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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• The recommended version is 401 versions ahead of your current version.

• The recommended version was released a month ago.

Issues fixed by the recommended upgrade:

	Issue	Score	Exploit Maturity
	HTTP Request Smuggling SNYK-JS-NEXT-10598339	329	No Known Exploit
	Server-side Request Forgery (SSRF) SNYK-JS-NEXT-12299318	329	Proof of Concept
	Use of Cache Containing Sensitive Information SNYK-JS-NEXT-12301496	329	No Known Exploit
	Missing Origin Validation in WebSockets SNYK-JS-NEXT-10259370	329	No Known Exploit
	Missing Source Correlation of Multiple Independent Data SNYK-JS-NEXT-12265451	329	No Known Exploit
	Improper Authorization SNYK-JS-NEXT-9508709	329	Mature

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Important

• Check the changes in this PR to ensure they won't cause issues with your project.
• This PR was automatically created by Snyk using the credentials of a real user.
• Max score is 1000. Note that the real score may have changed since the PR was raised.

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