build(deps): bump pytorch-optimizer to v3.9.0

Author: kozistr

requirements.txt

@@ -9,7 +9,7 @@ einops==0.7.0
 bitsandbytes
 lion-pytorch==0.2.3
 schedulefree==1.4
-pytorch-optimizer==3.7.0
+pytorch-optimizer==3.9.0
 prodigy-plus-schedule-free==1.9.2
 prodigyopt==1.1.2
 tensorboard