Fix checkout action parameter: use fetch-depth instead of depth

[Copilot]

Generated workflows used incorrect parameter name depth for actions/checkout, causing GitHub Actions to emit warnings about unexpected inputs. The checkout action expects fetch-depth.

Changes

• pkg/workflow/compiler_yaml_helpers.go: Corrected parameter name in two functions:
  • generateCheckoutActionsFolder() - script mode actions checkout
  • generateCheckoutGitHubFolder() - .github/.agents folders checkout
• pkg/workflow/compiler_custom_actions_test.go: Updated test assertion

Before/After

# Before (incorrect)
- uses: actions/checkout@v6
  with:
    sparse-checkout: |
      actions
    depth: 1  # ❌ Not a valid parameter

# After (correct)
- uses: actions/checkout@v6
  with:
    sparse-checkout: |
      actions
    fetch-depth: 1  # ✅ Valid parameter

This affects workflows using script mode or requiring .github folder checkouts. Existing workflow lock files don't use script mode, so no regeneration needed.

---

✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.

[Copilot]

Pull request overview

Fixes generated GitHub Actions workflows to use the correct actions/checkout input name for shallow clones (fetch-depth), avoiding “unexpected input” warnings during workflow runs.

Changes:

• Replaced depth: 1 with fetch-depth: 1 in the workflow YAML generated for script-mode actions checkout.
• Replaced depth: 1 with fetch-depth: 1 in the workflow YAML generated for sparse checkout of .github/.agents.
• Updated the script-mode compilation test to assert on fetch-depth: 1.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
pkg/workflow/compiler_yaml_helpers.go	Updates generated checkout step YAML to use fetch-depth for shallow clones in two helper generators.
pkg/workflow/compiler_custom_actions_test.go	Updates test expectations to match the corrected checkout input name.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.