Bump passport from 0.4.0 to 0.6.0 in /examples/passport-demo

Bumps [passport](https://github.com/jaredhanson/passport) from 0.4.0 to 0.6.0.
- [Release notes](https://github.com/jaredhanson/passport/releases)
- [Changelog](https://github.com/jaredhanson/passport/blob/master/CHANGELOG.md)
- [Commits](jaredhanson/passport@v0.4.0...v0.6.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

examples/passport-demo/package-lock.json

@@ -19,7 +19,7 @@
   "dependencies": {
     "debug": "^2.6.9",
     "express": "^4.17.0",
-    "passport": "^0.4.0",
+    "passport": "^0.6.0",
     "passport-jwt": "^4.0.0"
   }
 }