Bump express and node-red-node-test-helper

Bumps [express](https://github.com/expressjs/express) to 4.19.2 and updates ancestor dependency [node-red-node-test-helper](https://github.com/node-red/node-red-node-test-helper). These dependencies need to be updated together.


Updates `express` from 4.18.1 to 4.19.2
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.18.1...4.19.2)

Updates `node-red-node-test-helper` from 0.3.2 to 0.3.3
- [Release notes](https://github.com/node-red/node-red-node-test-helper/releases)
- [Changelog](https://github.com/node-red/node-red-node-test-helper/blob/master/CHANGELOG.md)
- [Commits](node-red/node-red-node-test-helper@0.3.2...0.3.3)

---
updated-dependencies:
- dependency-name: express
  dependency-type: indirect
- dependency-name: node-red-node-test-helper
  dependency-type: direct:development
...

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