chore(deps-dev): bump @types/express from 4.17.5 to 4.17.6

Bumps [@types/express](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/express) from 4.17.5 to 4.17.6.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/express)

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