chore(deps): bump express from 4.21.2 to 5.1.0

Bumps [express](https://github.com/expressjs/express) from 4.21.2 to 5.1.0.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.21.2...v5.1.0)

---
updated-dependencies:
- dependency-name: express
  dependency-version: 5.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -86,7 +86,7 @@
     "@signalk/signalk-schema": "^1.7.2",
     "bootstrap": "^5.3.7",
     "concurrently": "^7.6.0",
-    "express": "^4.18.2",
+    "express": "^5.1.0",
     "reconnect-core": "^1.3.0",
     "serialport": "^10.5.0",
     "ws": "^8.14.2"