downgrade pyarrow to match the other one

Author: heyselbi

requirements/cuda.txt

@@ -5,7 +5,7 @@ numba == 0.60.0; python_version == '3.9' # v0.61 doesn't support Python 3.9. Req
 numba == 0.61.2; python_version > '3.9'
 
 # Dependencies for NVIDIA GPUs
-pyarrow == 19.0.1 # temporary fix for missing pyarrow in ray until 2.44.2 ray release
+pyarrow == 18.0.0 # temporary fix for missing pyarrow in ray until 2.44.2 ray release
 ray[cgraph]>=2.43.0, !=2.44.* # Ray Compiled Graph, required for pipeline parallelism in V1.
 torch==2.6.0
 torchaudio==2.6.0