Bump v0.9.1

Signed-off-by: Xabier Larrakoetxea <me@slok.dev>

CHANGELOG.md

@@ -1,6 +1,10 @@
 
 ## [Unreleased]
 
+## [0.9.1] - 2020-04-09
+### Changed
+- Update all dependencies including jsonpatch library.
+
 ## [0.9.0] - 2020-03-27
 ### Changed
 - Update to Kubernetes v1.18.
@@ -70,7 +74,8 @@ Breaking: Webhook constructors now need a tracer.
 - Static mutating webhook.
 - Handler creator for webhooks.
 
-[Unreleased]: https://github.com/slok/kubewebhook/compare/v0.9.0...HEAD
+[Unreleased]: https://github.com/slok/kubewebhook/compare/v0.9.1...HEAD
+[0.9.1]: https://github.com/slok/kubewebhook/compare/v0.9.0...v0.9.1
 [0.9.0]: https://github.com/slok/kubewebhook/compare/v0.8.0...v0.9.0
 [0.8.0]: https://github.com/slok/kubewebhook/compare/v0.7.0...v0.8.0
 [0.7.0]: https://github.com/slok/kubewebhook/compare/v0.6.0...v0.7.0