Add initial GitHub Actions workflow for CLI release

[em3s]

Background

We are looking for contributors to implement the initial GitHub Actions workflow for CLI releases.

Task

• Trigger: Push tags matching cli/v*.
• Build: Run make build-all in the cli/ directory.
• Release: Create or update a GitHub Release for the tag.
• Assets:
  • actionbase_darwin_arm64.tar.gz
  • actionbase_darwin_amd64.tar.gz
  • actionbase_linux_amd64.tar.gz

Done When

• File path: .github/workflows/release-cli.yml
• Use GitHub-hosted runners.
• Use the existing cli/Makefile.

Notes

If you are interested, please comment below to request assignment. Once assigned, please open a PR for review.

[em3s]

Reformatted per #62 via gh by Claude Code.