fix(deps): update dependency koa-send to v5

Author: renovate-bot

package-lock.json

@@ -32,7 +32,7 @@
   ],
   "dependencies": {
     "kind-of": "5.1.0",
-    "koa-send": "4.1.3"
+    "koa-send": "5.0.0"
   },
   "devDependencies": {
     "chokidar-cli": "2.0.0",