Fix MinIO get_object response leak in MinioAdapter.get().

Close and release the HTTP response in a finally block per SDK guidance, and add unit tests for success and read-failure cleanup.

Co-authored-by: Cursor <[email protected]>

python_repositories/adapters/minio_adapter.py

@@ -152,6 +152,7 @@ class MinioAdapter(ObjectRepositoryInterface, ConnectionAwareAdapter):
         assert self._client is not None and self._bucket_name is not None
         # Get data from bucket
         # N.B. bucket name is set when connecting
+        response = None
         try:
             response = self._client.get_object(
                 bucket_name=self._bucket_name,
@@ -175,6 +176,10 @@ class MinioAdapter(ObjectRepositoryInterface, ConnectionAwareAdapter):
                 self.logger.error(repr(exc))
         except Exception as exc:  # pylint: disable=broad-except
             self.logger.error(repr(exc))
+        finally:
+            if response is not None:
+                response.close()
+                response.release_conn()
         return None
 
     def delete(self, object_name: str) -> None: