chore(packages): 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 4.21.2 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/4.21.2...v5.1.0)

Updates `@types/express` from 4.17.23 to 5.0.3
- [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: 5.0.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -69,7 +69,7 @@
     "axios": "^1.12.2",
     "crypto-js": "^4.2.0",
     "dotenv": "^16.6.1",
-    "express": "^4.21.2",
+    "express": "^5.1.0",
     "express-fileupload": "^1.5.2",
     "md5": "^2.3.0",
     "music-metadata": "^7.14.0",
@@ -82,7 +82,7 @@
     "yargs": "^17.7.2"
   },
   "devDependencies": {
-    "@types/express": "^4.17.23",
+    "@types/express": "^5.0.3",
     "@types/express-fileupload": "^1.5.1",
     "@types/mocha": "^9.1.1",
     "@types/node": "24.6.1",