Bump kinto from 14.5.1 to 14.6.0 (#302)

Bumps [kinto](https://github.com/Kinto/kinto) from 14.5.1 to 14.6.0.
- [Release notes](https://github.com/Kinto/kinto/releases)
- [Changelog](https://github.com/Kinto/kinto/blob/master/CHANGELOG.rst)
- [Commits](Kinto/kinto@14.5.1...14.6.0)

---
updated-dependencies:
- dependency-name: kinto
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -13,7 +13,7 @@ iso8601==1.0.1
 jsonpatch==1.32
 jsonpointer==2.2
 jsonschema==4.2.1
-kinto==14.5.1
+kinto==14.6.0
 logging-color-formatter==1.0.2
 PasteDeploy==2.1.1
 plaster==1.0