Bump the npm_and_yarn group across 1 directory with 4 updates (#4)

Bumps the npm_and_yarn group with 2 updates in the / directory: [debug](https://github.com/debug-js/debug) and [express](https://github.com/expressjs/express).


Updates `debug` from 4.3.1 to 4.3.7
- [Release notes](https://github.com/debug-js/debug/releases)
- [Commits](debug-js/debug@4.3.1...4.3.7)

Updates `express` from 4.20.0 to 4.21.0
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.0/History.md)
- [Commits](expressjs/express@4.20.0...4.21.0)

Updates `send` from 0.18.0 to 0.19.0
- [Release notes](https://github.com/pillarjs/send/releases)
- [Changelog](https://github.com/pillarjs/send/blob/master/HISTORY.md)
- [Commits](pillarjs/send@0.18.0...0.19.0)

Updates `serve-static` from 1.16.0 to 1.16.2
- [Release notes](https://github.com/expressjs/serve-static/releases)
- [Changelog](https://github.com/expressjs/serve-static/blob/v1.16.2/HISTORY.md)
- [Commits](expressjs/serve-static@1.16.0...v1.16.2)

---
updated-dependencies:
- dependency-name: debug
  dependency-type: direct:production
  dependency-group: npm_and_yarn
- dependency-name: express
  dependency-type: direct:production
  dependency-group: npm_and_yarn
- dependency-name: send
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: serve-static
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>