Create SECURITY.md (#5357)
Create SECURITY.md (#5357)

Document the repo security process

Signed-off-by: Matthieu Maitre <bab76d3c1baa5f9c8bd4c2229f4b4440bd7c57a5@microsoft.com>
mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow,mlflow/mlflow