In the new Projects config is it possible to add build-args to the build step in the prefect.yaml file? In the Docker file I am installing a private pypi package and need to pass in the credentials during the build. Normally I would do it like this

docker build --build-arg AZURE_PYPI_AUTH_URL={AZURE_PYPI_AUTH_URL} --tag ...

Can I achieve something similar in the build step?