Bump koa-router from 8.0.8 to 10.1.1

Bumps [koa-router](https://github.com/koajs/router) from 8.0.8 to 10.1.1.
- [Release notes](https://github.com/koajs/router/releases)
- [Changelog](https://github.com/koajs/router/blob/master/history.md)
- [Commits](koajs/router@v8.0.8...v10.1.1)

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

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

Author: dependabot[bot]

package-lock.json

@@ -32,7 +32,7 @@
     "eslint-plugin-import": "^2.20.1",
     "koa": "^2.11.0",
     "koa-bodyparser": "^4.2.1",
-    "koa-router": "^8.0.8",
+    "koa-router": "^10.1.1",
     "typescript": "^3.4.3"
   }
 }