v2025.5.21.1

Changelog:

1. SpectraKeras:
   • Enable transition from tf.lite to ai_edge_litert. Starting from TensorFlow v.2.20.0 support of tf.lite will be deprecated in favor of LiteRT
   • Bug fixes and strengthening of handling of configuration files.
   • Bug fixes and stability improvements throughout the codeset.
2. Utilities:
   • ThresholdCrossValidMaker.py: Do not create learning files if there are zero classes fitting the requirements imposed.
   • Several bug fixes and stability improvements on RruffDataMaker,GenericDataMaker, XmuDataMaker,ThresholdCrossValidMaker,ReadRruff.
3. Other:
   • Added scripts to run automated spectral collection from Rruff.info and training, both for single computers (using slurm) and supercomputers