fix: linting fix import ordering

Author: baywet

src/msgraph_core/base_graph_request_adapter.py

@@ -1,3 +1,4 @@
+from typing import Optional
 import httpx
 from kiota_abstractions.authentication import AuthenticationProvider
 from kiota_abstractions.serialization import (
@@ -7,7 +8,6 @@
     SerializationWriterFactoryRegistry,
 )
 from kiota_http.httpx_request_adapter import HttpxRequestAdapter
-from typing import Optional
 
 from .graph_client_factory import GraphClientFactory