Bump combustion from 1.3.6 to 1.3.7
Bump combustion from 1.3.6 to 1.3.7

Bumps [combustion](https://github.com/pat/combustion) from 1.3.6 to 1.3.7.
- [Release notes](https://github.com/pat/combustion/releases)
- [Changelog](https://github.com/pat/combustion/blob/main/HISTORY)
- [Commits](https://github.com/pat/combustion/compare/v1.3.6...v1.3.7)

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

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
activeadmin/arbre,activeadmin/arbre