update pyproject

Author: pan-x-c

pyproject.toml

@@ -23,8 +23,9 @@ requires-python = ">=3.10"
 dependencies = [
     "verl==0.4.0",
     "ray[default]>=2.45.0",
-    "vllm==0.8.5.post1",
+    "vllm==0.9.1",
     "tensordict==0.6.2",
+    "flash-attn==2.8.0.post2",
     "wandb",
     "omegaconf",
     "sqlalchemy",