Issue 39: Cross-platform release binaries (macOS, Windows, Linux arm64)

[Nanle-code]

Labels: ci, release

Description:
.github/workflows/release.yml only builds Linux x86_64.

Acceptance criteria:

Matrix build for ubuntu-latest, macos-latest, windows-latest, aarch64.
Attach all tarballs/zip to GitHub Release.
Files:

.github/workflows/release.yml

[jabir-dev788]

@jabir-dev788 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hey, I’d love to work on this issue if it’s available 🙏

ℹ️ Repo Maintainers: To accept this application, review their application or assign @jabir-dev788 to this issue.

[drips-wave]

Congratulations, @jabir-dev788! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @jabir-dev788: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊