Bump falcon from 3.1.1 to 3.1.3

Bumps [falcon](https://github.com/falconry/falcon) from 3.1.1 to 3.1.3.
- [Release notes](https://github.com/falconry/falcon/releases)
- [Changelog](https://github.com/falconry/falcon/blob/master/RELEASE.md)
- [Commits](falconry/falcon@3.1.1...3.1.3)

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

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Author: dependabot[bot]