[Snyk] Upgrade koa from 2.13.4 to 2.16.2

[X-oss-byte]

Snyk has created this PR to upgrade koa from 2.13.4 to 2.16.2.

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 11 versions ahead of your current version.

• The recommended version was released 3 months ago.

Issues fixed by the recommended upgrade:

	Issue	Score	Exploit Maturity
	Open Redirect SNYK-JS-KOA-10944994	576	Proof of Concept
	Regular Expression Denial of Service (ReDoS) SNYK-JS-KOA-8720152	576	No Known Exploit
	Cross-site Scripting (XSS) SNYK-JS-KOA-9679272	576	Proof of Concept

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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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Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open upgrade PRs.

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⚠️ No Changeset found

Latest commit: af97cc6

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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