Reduce log level to reduce noise in logging
What does this MR do?
Reduce the log level when no jobs are found in order to reduce the noise in logging.
Why was this MR needed?
Users are reporting spammy logs due to a specific log that repeats every time a runner checks for jobs while no jobs are queued.
What's the best way to test this MR?
CI passing is sufficient
What are the relevant issue numbers?
closes #29541 (closed)