refactor(github): minor refactor to triage with ai (#69155)
## Why?
Minor refactor so when the tool call isn't called, the `html_url`,
`title`, and `number` variables are not undefined.
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https://github.com/vercel/next.js/actions/runs/10493980195/job/29069188599
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https://github.com/vercel/next.js/actions/runs/10482428058/job/29033517370
