Resolve CI golangci-lint failure in workflow action pin helpers

[Copilot]

The CI workflow failed in the Go lint step due to an unused helper in pkg/workflow/action_pins.go, which blocked build workflow completion. This update removes the dead wrapper to restore lint-clean execution.

• Problem

  • golangci-lint reported getActionPinsByRepo as unused in the workflow action pin helper layer.

• Change

  • Removed the unused package-private wrapper getActionPinsByRepo(repo string) []ActionPin.
  • Kept the rest of the action pin API surface unchanged to avoid behavioral impact.

• Code delta (representative)

  // Removed unused wrapper:
  // func getActionPinsByRepo(repo string) []ActionPin {
  //     return actionpins.GetActionPinsByRepo(repo)
  // }

[Copilot]

Pull request overview

Removes an unused package-private helper in pkg/workflow/action_pins.go to resolve a CI golangci-lint failure (unused function) without changing the public/internal action pinning behavior.

Changes:

• Deleted the unused wrapper getActionPinsByRepo(repo string) []ActionPin that delegated to actionpins.GetActionPinsByRepo.
• Left the remaining action pin helper/API surface in pkg/workflow unchanged.

Show a summary per file

File	Description
pkg/workflow/action_pins.go	Removes a dead wrapper function to restore lint-clean CI runs.

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• Files reviewed: 1/1 changed files
• Comments generated: 0