update changelog v0.5 (#155)

Signed-off-by: Zhiwei Yin <[email protected]>

CHANGELOG/CHANGELOG-v0.5.md

@@ -0,0 +1,22 @@
+# Changelog since v0.4.0
+All notable changes to this project will be documented in this file.
+
+## v0.5.0
+
+### New Features
+* We can customize the `NodeSelector` and `Tolerations` to the pods deployed by the ClusterManager and Klusterlet Operators. ([#145](https://github.com/open-cluster-management-io/registration-operator/pull/145) [@zhiweiyin318](https://github.com/zhiweiyin318))
+
+### Added
+* Add a new status `Available` for the Klusterlet.([#151](https://github.com/open-cluster-management-io/registration-operator/pull/151) [@kim-fitness](https://github.com/kim-fitness))
+* Create `open-cluster-management-xxx-addon` namespace and sync the image pull secret to the `open-cluster-management-xxx-addon` namespace on the managed clusters.  ([#147](https://github.com/open-cluster-management-io/registration-operator/pull/147) [@qiujian16](https://github.com/qiujian16))
+
+### Changes
+* Refine the permissions of Placement. ([#139](https://github.com/open-cluster-management-io/registration-operator/pull/139) [@elgnay](https://github.com/elgnay))
+* Update the work and Placement APIs. ([#140](https://github.com/open-cluster-management-io/registration-operator/pull/140) [@qiujian16](https://github.com/qiujian16), [#153](https://github.com/open-cluster-management-io/registration-operator/pull/153) [@haoqing0110](https://github.com/haoqing0110))
+* Upgrade the ClusterSet and ClusterSetBinding APIs to v1beta1. ([#148](https://github.com/open-cluster-management-io/registration-operator/pull/148), [#149](https://github.com/open-cluster-management-io/registration-operator/pull/149) [@elgnay](https://github.com/elgnay))
+
+### Bug Fixes
+* Fix the issue that too many SAR requests when lots of managed clusters registry once.([#152](https://github.com/open-cluster-management-io/registration-operator/pull/152) [@xuezhaojun](https://github.com/xuezhaojun))
+
+### Removed & Deprecated
+* Deprecated the ClusterSet and ClusterSetBinding v1alpha1 APIs. ([#148](https://github.com/open-cluster-management-io/registration-operator/pull/148), [#149](https://github.com/open-cluster-management-io/registration-operator/pull/149) [@elgnay](https://github.com/elgnay))