incorrect onnxruntime-gpu version , changed from 1.8.1 to 1.18.1

Author: ChayanBhansali

Tools/PyTorch/TimeSeriesPredictionPlatform/triton/requirements.txt

@@ -16,7 +16,7 @@ natsort>=7.0.0
 networkx==2.5
 numpy
 onnx>=1.8.0,<1.9.0
-onnxruntime-gpu==1.8.1
+onnxruntime-gpu==1.18.1
 pycuda>=2019.1.2
 PyYAML>=5.2
 tabulate>=0.8.7