Add changelogs

Author: renaudhartert-db

NEXT_CHANGELOG.md

@@ -4,6 +4,11 @@
 
 ### New Features and Improvements
 
+- Add support for OIDC ID token authentication from an environment variable
+  ([PR #977](https://github.com/databricks/databricks-sdk-py/pull/977)).
+- Add support for OIDC ID token authentication from a file
+  ([PR #977](https://github.com/databricks/databricks-sdk-py/pull/977)).
+
 ### Bug Fixes
 
 ### Documentation