v1.0.1 - Marketplace Validation Fixes

What's Changed

🐛 Bug Fixes

• Fixed GitHub Marketplace validation issues
  • Wrapped all if: conditions with ${{ }} syntax (required for composite actions)
  • Fixed output mode to reference steps.mode instead of steps.detect
  • Fixed multi-line echo formatting issue

These changes resolve GitHub Marketplace publishing blockers and allow the action to be published successfully.