Add libnpp recipe

[adibbley]

Checklist

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xref: #21382

[conda-forge-webservices]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipes/libnpp) and found it was in an excellent condition.

[robertmaynard]

Feedback based on the meta.yaml for libcublas

[jakirkham]

Thanks all! 🙏

Let's ship this one. Happy to follow up on anything in the feedstock