[BUG]: Fix sync metadata workflow

[sheikhlimon]

Problem

The workflow was failing with SyntaxError: Unexpected non-whitespace character after JSON at position 3 due to double-encoding of JSON output.
When using return in github-script, the output gets wrapped in extra quotes:

• Expected: {"issues":["986"],"pr":984}
• Actual: "{\"issues\":[\"986\"],\"pr\":984}"

This made JSON.parse() fail in the second step.

[github-actions]

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[github-actions]

👤 Issue assigned to @sheikhlimon.

[github-actions]

✅ This issue has been closed. Thank you for your contribution!