Add Alpine arm64 test workflow (Cirrus CI)

[codecov[bot]]

Codecov Report

All modified lines are covered by tests :white_check_mark:

:exclamation: No coverage uploaded for pull request base (main@38d5dc7). Click here to learn what that means.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #11 +/- ## ======================================= Coverage ? 99.09% ======================================= Files ? 15 Lines ? 2198 Branches ? 0 ======================================= Hits ? 2178 Misses ? 20 Partials ? 0 ```

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