Port PyLaia to pytorch 2.x

Any reason not porting PyLaia to pytorch 2.x? With 1.x is very limited in some circumstances.

Training on PyLaia with pytorch 2.7.0:

Finetuning on PyLaia with pytorch 2.7.0:

Decoding with PyLaia with pytorch 2.7.0:

Edited Apr 28, 2025 by Teodor Bors