fix(ci): correct worktree.io action name to comment-action

[ChefControl]

Summary

• Fix the worktree.io GitHub Action reference from worktree-io/action@v1 to worktree-io/comment-action@v1
• The documented action name on worktree.io is incorrect — the actual repo is worktree-io/comment-action
• Reported upstream: Docs: incorrect action name in GitHub Actions example worktree-io/landing#14

Test plan

• Verified the fix works — workflow ran successfully and posted a comment on #36

🤖 Generated with Claude Code