Add linux-gnu builds for cirrus megazord [ci full]

[jhugman]

• Adds linux-gnu builds for cirrus.
• Fixes Windows build bug
• Small refactor of create/prepare archive to make it easier to debug

Pull Request checklist

• Breaking changes: This PR follows our breaking change policy
  • This PR follows the breaking change policy:
    • This PR has no breaking API changes, or
    • There are corresponding PRs for our consumer applications that resolve the breaking changes and have been approved
• Quality: This PR builds and tests run cleanly
  • Note:
    • For changes that need extra cross-platform testing, consider adding [ci full] to the PR title.
    • If this pull request includes a breaking change, consider cutting a new release after merging.
• Tests: This PR includes thorough tests or an explanation of why it does not
• Changelog: This PR includes a changelog entry in CHANGELOG.md or an explanation of why it does not need one
  • Any breaking changes to Swift or Kotlin binding APIs are noted explicitly
• Dependencies: This PR follows our dependency management guidelines
  • Any new dependencies are accompanied by a summary of the due dilligence applied in selecting them.

Branch builds: add [firefox-android: branch-name] to the PR title.

[codecov-commenter]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (73890de) 36.83% compared to head (d9f7681) 36.81%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5833      +/-   ##
==========================================
- Coverage   36.83%   36.81%   -0.03%     
==========================================
  Files         347      347              
  Lines       33501    33447      -54     
==========================================
- Hits        12340    12313      -27     
+ Misses      21161    21134      -27     

see 28 files with indirect coverage changes

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