Bump kinto-signer from 3.3.5 to 3.3.6
Bump kinto-signer from 3.3.5 to 3.3.6

Bumps [kinto-signer](https://github.com/Kinto/kinto-signer) from 3.3.5 to 3.3.6.
- [Release notes](https://github.com/Kinto/kinto-signer/releases)
- [Changelog](https://github.com/Kinto/kinto-signer/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/Kinto/kinto-signer/compare/3.3.5...3.3.6)

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