Bump express in /1-Authentication/0-sign-in-vanillajs/App

Bumps [express](https://github.com/expressjs/express) from 4.19.2 to 4.20.0.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.19.2...4.20.0)

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

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

Author: dependabot[bot]

1-Authentication/0-sign-in-vanillajs/App/package-lock.json

@@ -12,7 +12,7 @@
     "dependencies": {
         "@azure/msal-browser": "^3.16.0",
         "ciam-sign-in-javascript": "file:",
-        "express": "^4.19.2",
+        "express": "^4.20.0",
         "morgan": "^1.10.0"
     },
     "devDependencies": {