build(deps): bump morgan from 1.8.2 to 1.9.1

Bumps [morgan](https://github.com/expressjs/morgan) from 1.8.2 to 1.9.1.
- [Release notes](https://github.com/expressjs/morgan/releases)
- [Changelog](https://github.com/expressjs/morgan/blob/master/HISTORY.md)
- [Commits](https://github.com/expressjs/morgan/compare/1.8.2...1.9.1)

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

package.json

@@ -93,7 +93,7 @@
     "mongodb": "^3.0.7",
     "mongodb-backup": "^1.6.9",
     "mongoose": "^5.0.17",
-    "morgan": "~1.8.1",
+    "morgan": "~1.9.1",
     "moviedb": "^0.2.10",
     "multer": "~1.3.0",
     "multer-s3": "^2.7.0",