Use Cirrus to test QRMumps on Apple M1

[codecov[bot]]

Codecov Report

Base: 80.19% // Head: 80.23% // Increases project coverage by +0.03% :tada:

Coverage data is based on head (dc6ca2e) compared to base (19f6acd). Patch has no changes to coverable lines.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #80 +/- ## ========================================== + Coverage 80.19% 80.23% +0.03% ========================================== Files 3 3 Lines 520 521 +1 ========================================== + Hits 417 418 +1 Misses 103 103 ``` | [Impacted Files](https://codecov.io/gh/JuliaSmoothOptimizers/QRMumps.jl/pull/80?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaSmoothOptimizers) | Coverage Δ | | |---|---|---| | [src/QRMumps.jl](https://codecov.io/gh/JuliaSmoothOptimizers/QRMumps.jl/pull/80/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaSmoothOptimizers#diff-c3JjL1FSTXVtcHMuamw=) | `100.00% <0.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaSmoothOptimizers). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaSmoothOptimizers)

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