build(deps): bump morgan from 1.8.1 to 1.9.1

Bumps [morgan](https://github.com/expressjs/morgan) from 1.8.1 to 1.9.1.
- [Release notes](https://github.com/expressjs/morgan/releases)
- [Changelog](https://github.com/expressjs/morgan/blob/master/HISTORY.md)
- [Commits](expressjs/morgan@1.8.1...1.9.1)

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

Author: dependabot[bot]

package-lock.json

@@ -46,7 +46,7 @@
     "i18next": "4.0.0",
     "i18next-express-middleware": "1.0.2",
     "i18next-node-fs-backend": "0.1.3",
-    "morgan": "1.8.1",
+    "morgan": "1.9.1",
     "pug": "2.0.0-beta11",
     "serve-favicon": "2.4.0"
   },