update changelog

Author: chlowell

sdk/identity/azure-identity/CHANGELOG.md

@@ -1,6 +1,9 @@
 # Release History
 
 ## 1.4.0b6 (Unreleased)
+- `AzureCliCredential` no longer raises an exception due to unexpected output
+  from the CLI when run by PyCharm (thanks @NVolcz)
+  ([#11362](https://github.com/Azure/azure-sdk-for-python/pull/11362))
 - The async `AzureCliCredential` correctly invokes `/bin/sh`
   ([#12048](https://github.com/Azure/azure-sdk-for-python/issues/12048))