Meson: add tests on Alpine

[tobiasdiez]

📝 Checklist

• The title is concise and informative.
• The description explains in detail what this PR is about.
• I have linked a relevant issue or discussion.
• I have created tests covering the changes.
• I have updated the documentation and checked the documentation preview.

⌛ Dependencies

[tobiasdiez]

Currently fails to install cypari2:

ocess.py",
      line 577, in run
          raise CalledProcessError(retcode, process.args,
                                   output=stdout, stderr=stderr)
      subprocess.CalledProcessError: Command '['gphelp', '-raw', 'Catalan']'
      returned non-zero exit status 2.
```

[github-actions]

Documentation preview for this PR (built with commit 07fe037; changes) is ready! 🎉
This preview will update shortly after each push to this PR.