What is the expected feature or enhancement?

Many times, users submit jobs to instances which have already reached their limit for the current billing cycle without realizing that, and just experiencing delays on the execution of these jobs not knowing what the cause was.

We would like that qiskit-ibm-runtime actively notifies the user when a job is submitted to an instance which has reached their limit.

This information can be obtained using Get instance usage

Acceptance criteria

The user is notified when they submit a new job to an instance which has already reached their limit (possibly a warning?).