Bump koa from 2.15.3 to 2.16.1

Bumps [koa](https://github.com/koajs/koa) from 2.15.3 to 2.16.1.
- [Release notes](https://github.com/koajs/koa/releases)
- [Changelog](https://github.com/koajs/koa/blob/master/History.md)
- [Commits](https://github.com/koajs/koa/compare/2.15.3...v2.16.1)

---
updated-dependencies:
- dependency-name: koa
  dependency-version: 2.16.1
  dependency-type: direct:production
...

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

package-lock.json

@@ -13,7 +13,7 @@
         "@koa/multer": "^3.0.2",
         "@koa/router": "^13.1.0",
         "file-type": "^16.5.4",
-        "koa": "^2.15.3",
+        "koa": "^2.16.1",
         "koa-logger": "^3.2.1",
         "koa-sendfile": "^3.0.0",
         "koa-static": "^5.0.0",
@@ -1419,9 +1419,9 @@
       }
     },
     "node_modules/koa": {
-      "version": "2.15.3",
-      "resolved": "https://registry.npmjs.org/koa/-/koa-2.15.3.tgz",
-      "integrity": "sha512-j/8tY9j5t+GVMLeioLaxweJiKUayFhlGqNTzf2ZGwL0ZCQijd2RLHK0SLW5Tsko8YyyqCZC2cojIb0/s62qTAg==",
+      "version": "2.16.1",
+      "resolved": "https://registry.npmjs.org/koa/-/koa-2.16.1.tgz",
+      "integrity": "sha512-umfX9d3iuSxTQP4pnzLOz0HKnPg0FaUUIKcye2lOiz3KPu1Y3M3xlz76dISdFPQs37P9eJz1wUpcTS6KDPn9fA==",
       "license": "MIT",
       "dependencies": {
         "accepts": "^1.3.5",

package.json

@@ -13,7 +13,7 @@
     "@koa/multer": "^3.0.2",
     "@koa/router": "^13.1.0",
     "file-type": "^16.5.4",
-    "koa": "^2.15.3",
+    "koa": "^2.16.1",
     "koa-logger": "^3.2.1",
     "koa-sendfile": "^3.0.0",
     "koa-static": "^5.0.0",