Add linux -> windows cross-compilation

[pavelzw]

Closes #183

Checklist

• Used a personal fork of the feedstock to propose changes
• Bumped the build number (if the version is unchanged)
• Reset the build number to 0 (if the version changed)
• Re-rendered with the latest conda-smithy (Use the phrase @conda-forge-admin, please rerender in a comment in this PR for automated rerendering)
• Ensured the license file is being packaged.

[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 (recipe) and found it was in an excellent condition.

[pavelzw]

@conda-forge-admin, please rerender

[0xbe7a]

depends on conda-forge/maturin-feedstock#109 and conda-forge/rust-activation-feedstock#38

[0xbe7a]

@conda-forge-admin, please restart ci

[xhochy]

Before we merge, we should definitely rerender this to ensure that nothing breaks other systems.

[pavelzw]

You can install the builds from 45450e1 (#187) using

micromamba install -c https://repo.prefix.dev/test-polars polars=0.19.11

[pavelzw]

I did some light testing with the cross-compiled build and everything seems to work 👍🏻

[pavelzw]

Tested the newest build ✅
micromamba install -c https://repo.prefix.dev/test-polars2 polars=0.19.11

[xhochy]

We will need conda-forge/clang-win-activation-feedstock#31 to get rid of

2023-10-26T13:47:26.8314466Z WARNING (polars,lib/site-packages/polars/polars.pyd): Needed DSO api-ms-win-crt-stdio-l1-1-0.dll found in ['ucrt']
2023-10-26T13:47:26.8319964Z WARNING (polars,lib/site-packages/polars/polars.pyd): .. but ['ucrt'] not in reqs/run, (i.e. it is overlinking) (likely) or a missing dependency (less likely)
2023-10-26T13:47:26.8322721Z WARNING (polars,lib/site-packages/polars/polars.pyd): Needed DSO api-ms-win-crt-heap-l1-1-0.dll found in ['ucrt']
2023-10-26T13:47:26.8324106Z WARNING (polars,lib/site-packages/polars/polars.pyd): .. but ['ucrt'] not in reqs/run, (i.e. it is overlinking) (likely) or a missing dependency (less likely)
2023-10-26T13:47:26.8330566Z WARNING (polars,lib/site-packages/polars/polars.pyd): Needed DSO api-ms-win-crt-runtime-l1-1-0.dll found in ['ucrt']
2023-10-26T13:47:27.8297454Z WARNING (polars,lib/site-packages/polars/polars.pyd): .. but ['ucrt'] not in reqs/run, (i.e. it is overlinking) (likely) or a missing dependency (less likely)
2023-10-26T13:47:27.8299486Z WARNING (polars,lib/site-packages/polars/polars.pyd): Needed DSO api-ms-win-crt-convert-l1-1-0.dll found in ['ucrt']
2023-10-26T13:47:27.8306434Z WARNING (polars,lib/site-packages/polars/polars.pyd): .. but ['ucrt'] not in reqs/run, (i.e. it is overlinking) (likely) or a missing dependency (less likely)
2023-10-26T13:47:27.8307935Z WARNING (polars,lib/site-packages/polars/polars.pyd): Needed DSO api-ms-win-crt-string-l1-1-0.dll found in ['ucrt']
2023-10-26T13:47:27.8309333Z WARNING (polars,lib/site-packages/polars/polars.pyd): .. but ['ucrt'] not in reqs/run, (i.e. it is overlinking) (likely) or a missing dependency (less likely)
2023-10-26T13:47:27.8313485Z WARNING (polars,lib/site-packages/polars/polars.pyd): Needed DSO api-ms-win-crt-math-l1-1-0.dll found in ['ucrt']
2023-10-26T13:47:27.8314925Z WARNING (polars,lib/site-packages/polars/polars.pyd): .. but ['ucrt'] not in reqs/run, (i.e. it is overlinking) (likely) or a missing dependency (less likely)

[0xbe7a]

@conda-forge-admin, please restart ci