build(deps): bump cookie, cookie-parser and express in /backend

Bumps [cookie](https://github.com/jshttp/cookie) to 0.7.2 and updates ancestor dependencies [cookie](https://github.com/jshttp/cookie), [cookie-parser](https://github.com/expressjs/cookie-parser) and [express](https://github.com/expressjs/express). These dependencies need to be updated together.


Updates `cookie` from 0.4.1 to 0.7.2
- [Release notes](https://github.com/jshttp/cookie/releases)
- [Commits](jshttp/cookie@v0.4.1...v0.7.2)

Updates `cookie-parser` from 1.4.6 to 1.4.7
- [Release notes](https://github.com/expressjs/cookie-parser/releases)
- [Changelog](https://github.com/expressjs/cookie-parser/blob/master/HISTORY.md)
- [Commits](expressjs/cookie-parser@1.4.6...1.4.7)

Updates `express` from 4.21.0 to 4.21.1
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.1/History.md)
- [Commits](expressjs/express@4.21.0...4.21.1)

---
updated-dependencies:
- dependency-name: cookie
  dependency-type: indirect
- dependency-name: cookie-parser
  dependency-type: direct:production
- dependency-name: express
  dependency-type: direct:production
...

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

backend/package.json

@@ -7,11 +7,11 @@
     "@mapbox/polyline": "^1.2.1",
     "@turf/turf": "^7.0.0",
     "axios": "^1.7.4",
-    "cookie-parser": "~1.4.4",
+    "cookie-parser": "~1.4.7",
     "date-fns": "^3.6.0",
     "debug": "~2.6.9",
     "dotenv": "^16.4.5",
-    "express": "~4.21.0",
+    "express": "~4.21.1",
     "http-errors": "~1.6.3",
     "jade": "~1.11.0",
     "module-alias": "^2.2.3",