Fix release tests

Merge pull request twpayne#893 from twpayne/static-link-with-musl

Statically link Linux binary with musl

Merge pull request twpayne#872 from twpayne/update-testscript

Improve testscripts

Merge pull request twpayne#834 from twpayne/codespaces

Add Codespaces support

Merge pull request twpayne#805 from twpayne/update-deps

Update dependencies

Fix release job

Fix typo

Merge pull request twpayne#686 from twpayne/tidy-up-github-action

Tidy up GitHub Actions

Merge pull request twpayne#656 from twpayne/non-hermetic-functions

Include non-hermetic text functions from Sprig

Update contributing guide with new version embedding mechanism