[misc] Update PyTorch version in docs (#5711)

Co-authored-by: Edenzzzz <[email protected]>

Author: Edenzzzz

docs/source/en/get_started/installation.md

@@ -1,7 +1,7 @@
 # Setup
 
 Requirements:
-- PyTorch >= 1.11 and PyTorch <= 2.1
+- PyTorch >= 2.1
 - Python >= 3.7
 - CUDA >= 11.0
 - [NVIDIA GPU Compute Capability](https://developer.nvidia.com/cuda-gpus) >= 7.0 (V100/RTX20 and higher)

docs/source/zh-Hans/get_started/installation.md

@@ -2,7 +2,7 @@
 
 环境要求:
 
-- PyTorch >= 1.11 并且 PyTorch <= 2.1
+- PyTorch >= 2.1
 - Python >= 3.7
 - CUDA >= 11.0
 - [NVIDIA GPU Compute Capability](https://developer.nvidia.com/cuda-gpus) >= 7.0 (V100/RTX20 and higher)