Update nix and fix armv7/armhf test errors

[strophy]

Resolves remaining issues from #658 by upstreaming patches for edge cases discovered in Alpine CI: https://gitlab.alpinelinux.org/alpine/aports/-/merge_requests/96716

No need to do another release or test these obscure platforms, I'll try and keep this package updated on Alpine and come back to you if we hit any more arch-specific issues. 🍻

Checklist

Please make sure the PR adheres to this project's standards:

• I included a new entry to the CHANGELOG.md.
• I checked cargo clippy and cargo fmt. The CI will fail otherwise anyway.
• (If applicable) I added tests for this feature or adjusted existing tests.
• (If applicable) I checked if anything in the wiki needs to be changed.

[codecov]

Codecov Report

❌ Patch coverage is 87.50000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 76.81%. Comparing base (49c8baf) to head (5e34f5b).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
pueue_lib/src/network/protocol.rs	87.50%	1 Missing ⚠️
pueue_lib/src/network_blocking/protocol.rs	87.50%	1 Missing ⚠️

❌ Your project status has failed because the head coverage (76.81%) is below the target coverage (80.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #664      +/-   ##
==========================================
+ Coverage   76.80%   76.81%   +0.01%     
==========================================
  Files          95       95              
  Lines        5772     5776       +4     
==========================================
+ Hits         4433     4437       +4     
  Misses       1339     1339              

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[Nukesor]

Neat, thanks!

Should I publish another release?

[strophy]

Sure, then I can drop these changes as patches from Alpine and see if I can make any progress on loongarch64 there.

[Nukesor]

Done