fix(ci): harden AI prompt around untrusted data

[avivkeller]

Ref: https://issuetracker.google.com/issues/514760457 (#4)

Hardens the workflow to not pass potentially unsafe data directly into an AI prompt, instead, a middle-man file is used.

[gemini-code-assist]

Note

Gemini is unable to generate a summary for this pull request due to the file types involved not being currently supported.

[github-actions]

📊 PR Size: size/S

• Lines changed: 16
• Additions: +10
• Deletions: -6
• Files changed: 1

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[gemini-cli]

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[gemini-cli]

This pull request is being closed as it has been open for 14 days without a 'help wanted' designation. We encourage you to find and contribute to existing 'help wanted' issues in our backlog! Thank you for your understanding.