GHA Release workflow

[JosiahParry]

The GHA release workflow used by polars builds binaries and stores them in the GH releases which allows users to download / install directly from github without compilation.

This is helpful when R-universe is not an option or when one wants to have releases stored alongside with their R package as well.

https://github.com/pola-rs/r-polars/blob/main/.github/workflows/release.yaml