Bump koa from 3.0.0 to 3.0.1

Bumps [koa](https://github.com/koajs/koa) from 3.0.0 to 3.0.1.
- [Release notes](https://github.com/koajs/koa/releases)
- [Changelog](https://github.com/koajs/koa/blob/master/History.md)
- [Commits](koajs/koa@v3.0.0...v3.0.1)

---
updated-dependencies:
- dependency-name: koa
  dependency-version: 3.0.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -15,7 +15,7 @@
   },
   "dependencies": {
     "finished": "^1.2.2",
-    "koa": "^3.0.0",
+    "koa": "^3.0.1",
     "koa-body": "^6.0.1",
     "koa-router": "^13.0.1"
   },