chore(deps): bump the npm_and_yarn group across 1 directory with 2 up…

…dates

Bumps the npm_and_yarn group with 2 updates in the /backend directory: [cookie](https://github.com/jshttp/cookie) and [express](https://github.com/expressjs/express).


Updates `cookie` from 0.6.0 to 0.7.1
- [Release notes](https://github.com/jshttp/cookie/releases)
- [Commits](jshttp/cookie@v0.6.0...v0.7.1)

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-group: npm_and_yarn
- dependency-name: express
  dependency-type: direct:production
  dependency-group: npm_and_yarn
...

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