Update docs/examples/usage/test_configuration_12.py

Co-authored-by: Cody Fincher <204685+cofin@users.noreply.github.com>

Author: euri10

docs/examples/usage/test_configuration_12.py

@@ -1,6 +1,6 @@
 def test_basic_statement_config() -> None:
     from sqlspec.adapters.asyncpg import AsyncpgConfig
-    from sqlspec.core.statement import StatementConfig
+    from sqlspec.core import StatementConfig
 
     statement_config = StatementConfig(
         dialect="postgres",  # SQLGlot dialect