Bump kinto from 13.6.3 to 13.6.4
Bump kinto from 13.6.3 to 13.6.4

Bumps [kinto](https://github.com/Kinto/kinto) from 13.6.3 to 13.6.4.
- [Release notes](https://github.com/Kinto/kinto/releases)
- [Changelog](https://github.com/Kinto/kinto/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/Kinto/kinto/compare/13.6.3...13.6.4)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
mozilla-services/kinto-dist,mozilla-services/kinto-dist,Kinto/kinto-dist,Kinto/kinto-dist