bump m4ri to the latest version (20251207), drop upstreamed patch

[dimpase]

various improvements, including correcting L3 cache size computation for Intel macOS machines,
see malb/m4ri#35

📝 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

[github-actions]

Documentation preview for this PR (built with commit 8f31137; changes) is ready! 🎉
This preview will update shortly after each push to this PR.

[dimpase]

strangely enough CI can't get the upstream tarball

[malb]

Hi, not quite sure what my review should cover. Version number is correct, what else should I check for?