chore(deps-dev): 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:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -51,7 +51,7 @@
     "@webbtc/webln-types": "^3.0.0",
     "eslint": "^8.46.0",
     "eslint-config-prettier": "^10.0.1",
-    "express": "^4.18.2",
+    "express": "^5.1.0",
     "husky": "^9.1.7",
     "jest": "^29.7.0",
     "lint-staged": "^15.0.1",