pyproject.toml: bump BNB dependency

0.43 introduced Windows support and the patch release 0.43.3 fixed a very significant issue with QLoRA that leads to immense memory reductions for larger context and batch sizes.

Author: Titus-von-Koeller

pyproject.toml

@@ -41,7 +41,7 @@ ipdb = "^0.13.13"
 evaluate = "^0.4.1"
 wandb = "^0.16.3"
 einops = "^0.7.0"
-bitsandbytes = "^0.42.0"
+bitsandbytes = ">=0.43.2"
 nltk = "^3.8.1"
 accelerate = "^0.27.0"
 trl = "~0.8.6"