Add workflow to notify Kepler to update the models once there is a new model release

[vprashar2929]

Whenever we have a new model release we should at least have a notify method that flags that we need to update the model weights on Kepler side so that whenever there is a new Kepler release it make use of the latest model weights instead of older ones.

[sunya-ch]

I think it is related to this issue: sustainable-computing-io/kepler-model-server#258

[sunya-ch]

Moved to track in sustainable-computing-io/kepler#1910