feat: add back reset_session as an alias for close_session (#124)

Author: tswast

bigframes/pandas/__init__.py

@@ -452,6 +452,7 @@ def read_gbq_function(function_name: str):
 # Session management APIs
 get_global_session = global_session.get_global_session
 close_session = global_session.close_session
+reset_session = global_session.close_session
 
 
 # Use __all__ to let type checkers know what is part of the public API.