update changelog

CHANGELOG.md

@@ -1,8 +1,12 @@
 ## v2.2.0 (unreleased)
 
+ENHANCEMENTS:
+- `azapi_resource` resource: Improved 403 handling for management group resources to include child resources
+
 BUG FIXES:
 - Fix a bug that the provider produced inconsistent result after apply when default output feature is enabled.  
 Notice: Terraform will detect the `output` field's changes made outside of Terraform since the last "terraform apply". You can run `terraform refresh` to update the state file with the latest values.
+- Fix a bug that the GET after PUT retry timeout doesn't work properly when the environment variable is set.
 
 ## v2.1.0
 FEATURES: