Bump falcon from 4.0.2 to 4.2.0

Bumps [falcon](https://github.com/falconry/falcon) from 4.0.2 to 4.2.0.
- [Release notes](https://github.com/falconry/falcon/releases)
- [Changelog](https://github.com/falconry/falcon/blob/master/RELEASE.md)
- [Commits](falconry/falcon@4.0.2...4.2.0)

---
updated-dependencies:
- dependency-name: falcon
  dependency-version: 4.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]