chore(deps): update actions/setup-go action to v6

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-go	action	major	v5 → v6

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Release Notes

actions/setup-go (actions/setup-go)

v6

Compare Source

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Configuration

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This PR has been generated by Renovate Bot.

[thomhurst]

Summary

Updates the GitHub Actions actions/setup-go action from v5 to v6 in the CLI options generator workflow.

Critical Issues

None found ✅

Verdict

✅ APPROVE - No critical issues

This is a straightforward dependency update for a GitHub Action. The change only affects the workflow that installs Go for CLI option generation. The go-version: 'stable' configuration is compatible with both v5 and v6 of the action.