format: standardize option values for OpenTelemetry integration

[lidavidm]

What feature or improvement would you like to see?

Follow up of #2210/#2729

[lidavidm]

I'm not sure we've done enough here to show that is is actually ready to be part of the next revision? Removing from milestone. CC @zeroshade

(I haven't done into what the C# Databricks driver does here, though.)