chore: skip blob tests if live

[lemusthelroy]

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Summary

A PR to skip tests for external contributors where the test requires the Netlify account to make requests to the server

Fixes #<replace_with_issue_number>

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[github-actions]

📊 Benchmark results

Comparing with 01262b8

• Dependency count: 1,329 (no change)
• Package size: 310 MB (no change)
• Number of ts-expect-error directives: 1,001 (no change)