Bump mongoose from 5.7.11 to 5.13.20

Bumps [mongoose](https://github.com/Automattic/mongoose) from 5.7.11 to 5.13.20.
- [Release notes](https://github.com/Automattic/mongoose/releases)
- [Changelog](https://github.com/Automattic/mongoose/blob/master/CHANGELOG.md)
- [Commits](Automattic/mongoose@5.7.11...5.13.20)

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

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

package.json

@@ -32,7 +32,7 @@
         "http-errors": "^1.6.3",
         "jsonwebtoken": "^8.5.1",
         "lodash": "^4.17.15",
-        "mongoose": "5.7.11",
+        "mongoose": "5.13.20",
         "multer": "^1.4.1",
         "multer-s3": "^2.9.0",
         "ts-node": "^6.2.0"