Fix aarch64 linux CI. Add FreeBSD, M1

[IanButterworth]

Skipping musl because of https://github.com/JuliaLang/julia/issues/40556

 Running tests...
ERROR: 
LoadError: InitError: could not load library "/root/.julia/artifacts/ee46ae25e760393f5771967db1bef786291ac497/lib/libfreetype.so"
Error loading shared library libbz2.so.1.0: No such file or directory (needed by /root/.julia/artifacts/ee46ae25e760393f5771967db1bef786291ac497/lib/libfreetype.so)

[codecov[bot]]

Codecov Report

Base: 79.38% // Head: 79.38% // No change to project coverage :thumbsup:

Coverage data is based on head (59061ef) compared to base (6f1416a). Patch has no changes to coverable lines.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #386 +/- ## ======================================= Coverage 79.38% 79.38% ======================================= Files 10 10 Lines 1276 1276 ======================================= Hits 1013 1013 Misses 263 263 ``` 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=JuliaIO). 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=JuliaIO)

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[IanButterworth]

Appears to be being OOM-killed on ARMv8

@giordano I guess that means it should be skipped, unless you have any suggestions?

[giordano]

Sigh, yes