Transmute-core

doing a version bump as part of an automated release process.

**Full Changelog**: https://github.com/toumorokoshi/transmute-core/compare/v1.13.6...v1.13.7

What's Changed

* Fix cattrs structure error as per latest version by sahu-sunil in https://github.com/toumorokoshi/transmute-core/pull/59

New Contributors

* sahu-sunil made their first contribution in https://github.com/toumorokoshi/transmute-core/pull/59

**Full Changelog**: https://github.com/toumorokoshi/transmute-core/compare/v1.13.5...v1.13.6

What's Changed
* fix(yaml_serializer): use yaml.SafeLoader by toumorokoshi in https://github.com/toumorokoshi/transmute-core/pull/58
* thanks to Josef Korbel <josef.korbelcitadelo.com> for discovering the issue.


**Full Changelog**: https://github.com/toumorokoshi/transmute-core/compare/v1.13.4...v1.13.5