build(deps): bump serve-static, express and node-red

Bumps [serve-static](https://github.com/expressjs/serve-static) to 1.16.2 and updates ancestor dependencies [serve-static](https://github.com/expressjs/serve-static), [express](https://github.com/expressjs/express) and [node-red](https://github.com/node-red/node-red). These dependencies need to be updated together.


Updates `serve-static` from 1.15.0 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@v1.15.0...v1.16.2)

Updates `express` from 4.18.2 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@4.18.2...4.21.0)

Updates `node-red` from 3.1.7 to 3.1.12
- [Release notes](https://github.com/node-red/node-red/releases)
- [Changelog](https://github.com/node-red/node-red/blob/3.1.12/CHANGELOG.md)
- [Commits](node-red/node-red@3.1.7...3.1.12)

---
updated-dependencies:
- dependency-name: serve-static
  dependency-type: indirect
- dependency-name: express
  dependency-type: direct:development
- dependency-name: node-red
  dependency-type: direct:development
...

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