add changelog for v0.6 (#111)

Signed-off-by: Yang Le <[email protected]>

CHANGELOG/CHANGELOG-v0.6.md

@@ -0,0 +1,22 @@
+# Changelog since v0.5.0
+All notable changes to this project will be documented in this file.
+
+## v0.6.0
+
+### New Features 
+* Support running work agent outside of managed cluster. ([#104](https://github.com/open-cluster-management-io/work/pull/104) [@zhujian7](https://github.com/zhujian7))
+* Support to report back the status of applied resources in ManifestWork to hub cluster. ([#107](https://github.com/open-cluster-management-io/work/pull/107) [@qiujian16](https://github.com/qiujian16))
+
+### Added
+* Add flag to work agent to disable leader election. ([#109](https://github.com/open-cluster-management-io/work/pull/109) [@qiujian16](https://github.com/qiujian16))
+
+### Changes
+* Set the default propagation policy to background when deleting applied resources. ([#101](https://github.com/open-cluster-management-io/work/pull/101) [@qiujian16](https://github.com/qiujian16))
+* Update SECURITY.md with reference to community doc. ([#105](https://github.com/open-cluster-management-io/work/pull/105) [@mikeshng](https://github.com/mikeshng))
+* Upgrade go to 1.17. ([#108](https://github.com/open-cluster-management-io/work/pull/108) [@qiujian16](https://github.com/qiujian16))
+
+### Bug Fixes
+* Fix flaky test failure. ([#106](https://github.com/open-cluster-management-io/work/pull/106) [@zhujian7](https://github.com/zhujian7))
+
+### Removed & Deprecated
+N/C