Enhance consumer task logging for non-deferrable mode

[pankajastro]

This PR builds on #2412
, which introduced a mechanism to ship DBT startup event logs in the consumer task.

Currently, these logs are at debug level in non-deferrable mode to avoid repetition. This change:

• Change the log level from debug to info for better visibility.
• Ensures duplicate logs are avoided, maintaining clean output.

[github-actions]

This issue is stale because it has been open for 30 days with no activity.