Bump mongoose from 5.13.20 to 6.13.6 in /frameworks/JavaScript/koa

Bumps [mongoose](https://github.com/Automattic/mongoose) from 5.13.20 to 6.13.6.
- [Release notes](https://github.com/Automattic/mongoose/releases)
- [Changelog](https://github.com/Automattic/mongoose/blob/master/CHANGELOG.md)
- [Commits](Automattic/mongoose@5.13.20...6.13.6)

---
updated-dependencies:
- dependency-name: mongoose
  dependency-type: direct:production
...

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

Author: dependabot[bot]

frameworks/JavaScript/koa/package.json

@@ -11,7 +11,7 @@
     "koa-bodyparser": "4.2.0",
     "koa-hbs": "1.0.0",
     "koa-router": "7.4.0",
-    "mongoose": "5.13.20",
+    "mongoose": "6.13.6",
     "mysql2": "3.9.8",
     "pg": "8.5.1",
     "pg-hstore": "2.3.2",