chore(deps): bump koa-body from 4.2.0 to 6.0.1 (#4806)

* chore(deps): bump koa-body from 4.2.0 to 6.0.1

Bumps [koa-body](https://github.com/koajs/koa-body) from 4.2.0 to 6.0.1.
- [Release notes](https://github.com/koajs/koa-body/releases)
- [Changelog](https://github.com/koajs/koa-body/blob/master/CHANGELOG.md)
- [Commits](https://github.com/koajs/koa-body/compare/v4.2.0...v6.0.1)

---
updated-dependencies:
- dependency-name: koa-body
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update types

* test

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tom Moor <tom.moor@gmail.com>

server/utils/koa.ts

@@ -0,0 +1,25 @@
+import formidable from "formidable";
+import { Request } from "koa";
+import { isArray } from "lodash";
+
+/**
+ * Get the first file from an incoming koa request
+ *
+ * @param request The incoming request
+ * @returns The first file or undefined
+ */
+export const getFileFromRequest = (
+  request: Request
+): formidable.File | undefined => {
+  const { files } = request;
+  if (!files) {
+    return undefined;
+  }
+
+  const file = Object.values(files)[0];
+  if (!file) {
+    return undefined;
+  }
+
+  return isArray(file) ? file[0] : file;
+};