Bump kinto from 14.1.3 to 14.2.0

Bumps [kinto](https://github.com/Kinto/kinto) from 14.1.3 to 14.2.0.
- [Release notes](https://github.com/Kinto/kinto/releases)
- [Changelog](https://github.com/Kinto/kinto/blob/master/CHANGELOG.rst)
- [Commits](Kinto/kinto@14.1.3...14.2.0)

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

requirements.txt

@@ -13,7 +13,7 @@ iso8601==0.1.14
 jsonpatch==1.28
 jsonpointer==2.0
 jsonschema==3.2.0
-kinto==14.1.3
+kinto==14.2.0
 logging-color-formatter==1.0.2
 PasteDeploy==2.1.1
 plaster==1.0