chore(deps): update dependency @koa/router to v14

Author: renovate[bot]

package-lock.json

@@ -50,7 +50,7 @@
     "@opentelemetry/api": "^1.3.0"
   },
   "devDependencies": {
-    "@koa/router": "13.1.1",
+    "@koa/router": "14.0.0",
     "@opentelemetry/api": "^1.3.0",
     "@opentelemetry/context-async-hooks": "^2.0.0",
     "@opentelemetry/contrib-test-utils": "^0.49.0",