Bump rangy from 1.3.0 to 1.3.1

Bumps [rangy](https://github.com/timdown/rangy) from 1.3.0 to 1.3.1.
- [Release notes](https://github.com/timdown/rangy/releases)
- [Changelog](https://github.com/timdown/rangy/blob/master/release_process.txt)
- [Commits](timdown/rangy@1.3...1.3.1)

---
updated-dependencies:
- dependency-name: rangy
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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