Bump express and @types/express

Bumps [express](https://github.com/expressjs/express) and [@types/express](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/express). These dependencies needed to be updated together.

Updates `express` from 4.21.1 to 5.1.0
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](https://github.com/expressjs/express/compare/4.21.1...v5.1.0)

Updates `@types/express` from 4.17.21 to 5.0.1
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/express)

---
updated-dependencies:
- dependency-name: express
  dependency-version: 5.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/express"
  dependency-version: 5.0.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -20,7 +20,7 @@
   "dependencies": {
     "bcrypt": "^5.1.1",
     "cors": "^2.8.5",
-    "express": "^4.21.1",
+    "express": "^5.1.0",
     "joi": "^17.13.3",
     "mongoose": "^8.9.2",
     "nodemailer": "^6.10.0",
@@ -30,7 +30,7 @@
   "devDependencies": {
     "@types/bcrypt": "^5.0.2",
     "@types/cors": "^2.8.17",
-    "@types/express": "^4.17.21",
+    "@types/express": "^5.0.1",
     "@types/node": "^22.7.7",
     "@types/nodemailer": "^6.4.17",
     "@types/speakeasy": "^2.0.10",