Update CHANGELOG about adding custom object status and scale api
**New Features:**
- Add support for refreshing Azure tokens [kubernetes-client/python-base#77](https://github.com/kubernetes-client/python-base/pull/77)
+**New API:**
+- Add custom object status and scale api [kubernetes-client/gen#72](https://github.com/kubernetes-client/gen/pull/72)
+
# v7.0.0b1
**New Features:**
- Add Azure support to authentication loading [kubernetes-client/python-base#74](https://github.com/kubernetes-client/python-base/pull/74)
