chore(deps-dev): bump koa from 2.16.1 to 3.1.1

Bumps [koa](https://github.com/koajs/koa) from 2.16.1 to 3.1.1.
- [Release notes](https://github.com/koajs/koa/releases)
- [Changelog](https://github.com/koajs/koa/blob/master/History.md)
- [Commits](koajs/koa@v2.16.1...v3.1.1)

---
updated-dependencies:
- dependency-name: koa
  dependency-version: 3.1.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -89,7 +89,7 @@
     "express": "^4.21.1",
     "formdata-polyfill": "^4.0.10",
     "jest": "27.2.4",
-    "koa": "2.16.1",
+    "koa": "3.1.1",
     "nyc": "15.1.0",
     "prettier": "2.0.5",
     "prettier-plugin-pkgjson": "0.2.8",