chore: modify release workflow

[Timeless0911]

Summary

1. Run pnpm generate-release-pr to create a release pull request.
2. Run the release action on release branch.
3. Merge the release pull request.
4. Create Git tag on main branch and generate the release notes.

Related Links

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

[codspeed-hq]

CodSpeed Performance Report

Merging #340 will not alter performance

_{Comparing chore/release-workflow (6b59765) with main (9e8b683)}

Summary

✅ 5 untouched benchmarks