Testing predictable command outputs

[cnpryer]

• [x] All --help (Added in #686)
• [ ] Commands with suppression flags
• [ ] huak activate
• [ ] huak add with specific installer version(s)
• [ ] huak clean
• [ ] huak build with specific hatchling version(s)
• [ ] huak test with specific pytest version(s)
• [ ] huak fmt with specific formatter version(s)
• [ ] huak version (Added in #690)
• [ ] huak --version with specific huak version(s)
• [ ] huak lint with specific ruff version(s)
• [ ] huak fix with specific ruff and formatter version(s)
• [ ] huak new
• [ ] huak init
• [ ] huak python with specific Python version(s)
• [ ] huak remove with specific installer version(s)
• [ ] huak update with specific installer version(s)