Update recipe spec to the new version of the recipe

[sunishsheth2009]

Similar changes in other repos: https://github.com/mlflow/recipes-classification-template/pull/5/files https://github.com/mlflow/mlflow/pull/7288 https://github.com/mlflow/recipes-examples/pull/17 https://github.com/mlflow/recipes-regression-template/pull/11

[mohamad-arabi]

@sunishsheth2009 Do these changes require an upgrade in MLFlow Recipes version that we use in this repo?

Can you please test your changes

[mohamad-arabi]

Can you please add some details on how this was tested with results as well

[sunishsheth2009]

Can you please add some details on how this was tested with results as well

https://e2-dogfood.staging.cloud.databricks.com/?o=6051921418418893#notebook/4272336296171457/command/4272336296171472

Verified it here.