fix(ci): add scripts/lib/ to sign-macos sparse checkout

[rafa-thayto]

Summary

• PR refactor(scripts): consolidate releaser into scripts/lib #134 moved shared helpers to scripts/lib/ and updated sign-macos.ts to import from ./lib/targets.ts
• The sparse checkout in sign-macos.yml was never updated, so the runner checked out sign-macos.ts but not the lib it depends on
• Fixes: error: Cannot find module './lib/targets.ts' from '/Users/runner/work/cli/cli/scripts/sign-macos.ts'

Test plan

• Trigger a snapshot build after merge — the sign-macos job should complete without the missing module error

[coderabbitai]

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Free

Run ID: 7169991e-09c6-4139-91b0-09f6477e61c1

📥 Commits

Reviewing files that changed from the base of the PR and between 6a8c0cd and 8c6e477.

📒 Files selected for processing (1)

• .github/workflows/sign-macos.yml

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📝 Walkthrough

Walkthrough

The sign-macos.yml GitHub Actions workflow has been updated to expand the sparse-checkout configuration. The actions/checkout step now includes scripts/lib/ in its sparse-checkout list, allowing the scripts/sign-macos.ts signing step to access supporting library code from that directory during workflow execution.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

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