Bump morgan from 1.3.2 to 1.9.1 in /samples/nodejs/DayPlannerApp

Bumps [morgan](https://github.com/expressjs/morgan) from 1.3.2 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/1.3.2...1.9.1)

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

samples/nodejs/DayPlannerApp/package.json

@@ -18,7 +18,7 @@
     "express": "~4.9.0",
     "express-session": "~1.0.0",
     "jade": "~1.6.0",
-    "morgan": "~1.3.0",
+    "morgan": "~1.9.1",
     "node-schedule": "^1.2.3",
     "passport": "^0.2.0",
     "passport-local": "^1.0.0",