Fix python 3.11 cuda wheel link in the readme (#9493)

Author: vfdev-5

README.md

@@ -261,7 +261,7 @@ GPU release builds and GPU/TPU nightly builds are available in our public GCS bu
 | Version | Cloud GPU VM Wheels |
 | --- | ----------- |
 | 2.7 (CUDA 12.6 + Python 3.10) | `https://storage.googleapis.com/pytorch-xla-releases/wheels/cuda/12.6/torch_xla-2.7.0-cp310-cp310-manylinux_2_28_x86_64.whl` |
-| 2.7 (CUDA 12.6 + Python 3.11) | `https://storage.googleapis.com/pytorch-xla-releases/wheels/cuda/12.1/torch_xla-2.5.0-cp311-cp311-manylinux_2_28_x86_64.whl` |
+| 2.7 (CUDA 12.6 + Python 3.11) | `https://storage.googleapis.com/pytorch-xla-releases/wheels/cuda/12.6/torch_xla-2.7.0-cp311-cp311-manylinux_2_28_x86_64.whl` |
 | nightly (Python 3.11) | `https://storage.googleapis.com/pytorch-xla-releases/wheels/tpuvm/torch_xla-2.9.0.dev-cp311-cp311-linux_x86_64.whl` |
 | nightly (Python 3.12) | `https://storage.googleapis.com/pytorch-xla-releases/wheels/tpuvm/torch_xla-2.9.0.dev-cp312-cp312-linux_x86_64.whl` |
 | nightly (Python 3.13) | `https://storage.googleapis.com/pytorch-xla-releases/wheels/tpuvm/torch_xla-2.9.0.dev-cp312-cp312-linux_x86_64.whl` |