fix: fail CLA allowlist step on API errors

[alexisrolland]

Summary

Make the CLA author allowlist step fail when its GitHub API request fails instead of silently continuing with only the base allowlist.

Changes

• Capture the pull request commit API response before filtering authors.
• Fail explicitly when the API request or pagination fails.
• Preserve the valid author-only case where filtering produces no co-authors.

Verification

The shared implementation was validated for author-only, co-author, and simulated API-failure scenarios in Comfy-Org/comfy-cla.

Propagates Comfy-Org/comfy-cla#1 and addresses Comfy-Org/ComfyUI_frontend#15555.

[coderabbitai]

Note

Currently processing new changes in this PR. This may take a few minutes, please wait...

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: 9d337661-dd43-430f-88d3-c04bd33a6623

📥 Commits

Reviewing files that changed from the base of the PR and between 4c9b6b7 and 39fbc01.

📒 Files selected for processing (1)

• .github/workflows/cla.yml

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/cla-api-failure-handling

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch fix/cla-api-failure-handling

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