fix: don't prompt for input when running in CI

[davbree]

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Summary

Fix cases where netlify dev prompts for input while running in dev server

ref CRE-1211

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[github-actions]

📊 Benchmark results

Comparing with fdc34d4

• Dependency count: 1,329 (no change)
• Package size: 310 MB ⬆️ 0.00% increase vs. fdc34d4
• Number of ts-expect-error directives: 997 (no change)

[eduardoboucas]

I think this needs to be updated?

[davbree]

😭