Remove deprecated future=True engine option

The future=True option is deprecated in SQLAlchemy 2.0 and is now
the default behavior.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: febus982

sqlalchemy_bind_manager/_bind_manager.py

@@ -115,7 +115,6 @@ def __init_bind(self, name: str, config: SQLAlchemyConfig):
 
         engine_options: dict = config.engine_options or {}
         engine_options.setdefault("echo", False)
-        engine_options.setdefault("future", True)
 
         session_options: dict = config.session_options or {}
         session_options.setdefault("expire_on_commit", False)