chore: import upstream snapshot with attribution

tests/pyfunc/sample_code/func_code_with_config.py

@@ -0,0 +1,10 @@
+from mlflow.models import ModelConfig, set_model
+
+
+def predict(model_input: list[str]):
+    model_config = ModelConfig(development_config="tests/pyfunc/sample_code/config.yml")
+    timeout = model_config.get("timeout")
+    return f"This was the input: {model_input[0]}, timeout {timeout}"
+
+
+set_model(predict)