hx-exec v0.1.2

chore: update to v0.1.2

v0.1.1

Release v0.1.1 with CI test infrastructure and environment inheritance support

Changes

• Add comprehensive CI test suite covering 10 test categories
• Implement bash test runner supporting multiple shells (bash, sh, zsh)
• Implement PowerShell test runner for Windows
• Add GitHub Actions workflow for automated testing
• Implement environment inheritance in command substitution and execution
• Fix zsh installation in CI workflow