refactor: switch CLI argument parsing to clap#27

ppenna merged 1 commit intohyperlight-dev:mainhyperlight-dev/hyperlight-nanvix:mainfrom

jsturtevant:copilot-worktree-2026-02-04T22-14-46jsturtevant/hyperlight-nanvix:copilot-worktree-2026-02-04T22-14-46Copy head branch name to clipboard