CI: Setup cross build test

[inkydragon]

Part of #290

• [x] arm
• [x] aarch64
• [x] ppc
• [x] ppc64
• [x] ppc64le
• [x] mips
• [x] mipsel
• [x] riscv64
• [x] s390x

TODO

maybe next time/pr

• loongarch64 I tried installing the toolchain locally, but it doesn't compile properly yet. Need further attempts.

• Builds successfully, but tests fail. I'll open an issue to track this:

  • mips64: https://github.com/JuliaMath/openlibm/actions/runs/7551712094/job/20559382618?pr=296
  • mips64el: https://github.com/JuliaMath/openlibm/actions/runs/7551712094/job/20559382950?pr=296

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

:exclamation: No coverage uploaded for pull request base (master@d3be5df). Click here to learn what that means.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #296 +/- ## ========================================= Coverage ? 38.24% ========================================= Files ? 233 Lines ? 6139 Branches ? 1607 ========================================= Hits ? 2348 Misses ? 3394 Partials ? 397 ```

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