Add the PVeRA (Probabilistic Vector-based Random Matrix Adaptation) adapter to the PEFT library, exposed as…

Add the PVeRA (Probabilistic Vector-based Random Matrix Adaptation) adapter to the PEFT library, exposed as…: a task in HF ML Tasksmith (Harbor dataset). Algorithm summary. PVeRA extends VeRA by learning a distribution over low-rank adaptations instead of a single deterministic one. - Two global…