feat: Improve error message for drive based BQ table reads

[shobsi]

This change will append a helpful documentation link to troubleshoot drive permission denied error https://screenshot.googleplex.com/96rLqtEUcrxzd39.

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Fixes internal issue 304826407 🦕

[tswast]

Would be good to add a unit test for this logic to double-check that appending to the message like this doesn't cause a different exception.