Singularity Machine Learning - Classification changelog

Upgraded QuantumEnhancedEnsembleClassifier with the following updates:
- Added onsite/alpha regularization. You can specify regularization_type to be onsite or alpha
- Added auto-regularization. You can set regularization to auto to use auto-regularization
- Added optimization_data parameter to the fit method to choose optimization data for quantum optimization. You can use one of these options: train, validation, or both
- Improved overall performance
Added detailed status tracking for running jobs