chore(deps): bump mongoose from 5.7.4 to 5.7.5 in /sample/06-mongoose

Bumps [mongoose](https://github.com/Automattic/mongoose) from 5.7.4 to 5.7.5.
- [Release notes](https://github.com/Automattic/mongoose/releases)
- [Changelog](https://github.com/Automattic/mongoose/blob/master/History.md)
- [Commits](Automattic/mongoose@5.7.4...5.7.5)

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

Author: dependabot[bot]

sample/06-mongoose/package-lock.json

@@ -23,7 +23,7 @@
     "@nestjs/core": "6.8.3",
     "@nestjs/platform-express": "6.8.3",
     "@nestjs/mongoose": "6.1.2",
-    "mongoose": "5.7.4",
+    "mongoose": "5.7.5",
     "reflect-metadata": "0.1.13",
     "rimraf": "2.7.1",
     "rxjs": "6.5.3"