ci: publish versioned 0.1.1 release artifact

[blckbx]

Summary

• bump the package version from 0.1.0 to 0.1.1
• name the Actions artifact openclaw-armada-dm-0.1.1.tgz
• add a tag-triggered GitHub Release workflow for v* tags
• reject release tags that do not match package.json
• rebuild, validate, pack, checksum, and verify before publishing
• attach the tgz and sha256 file to the GitHub Release
• document the maintainer release procedure and protect both workflows with metadata tests

Validation

• npm test: 188 tests passed
• npm run lint
• npm run typecheck
• npm run build
• npm run package:validate
• npm run package:dry-run confirms openclaw-armada-dm-0.1.1.tgz
• npm run format:check
• npm run audit