Bump jsonwebtoken from 8.5.1 to 9.0.0 in /web-app/servers

Bumps [jsonwebtoken](https://github.com/auth0/node-jsonwebtoken) from 8.5.1 to 9.0.0.
- [Release notes](https://github.com/auth0/node-jsonwebtoken/releases)
- [Changelog](https://github.com/auth0/node-jsonwebtoken/blob/master/CHANGELOG.md)
- [Commits](auth0/node-jsonwebtoken@v8.5.1...v9.0.0)

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

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

Author: dependabot[bot]

web-app/servers/package-lock.json

@@ -16,7 +16,7 @@
         "fabric-ca-client": "^1.4.5",
         "fabric-client": "^1.4.5",
         "fabric-network": "^1.4.5",
-        "jsonwebtoken": "^8.3.0",
+        "jsonwebtoken": "^9.0.0",
         "lowdb": "^1.0.0",
         "morgan": "^1.9.1",
         "node-schedule": "^1.3.2"