Implement HIP build version using TORCH_HIP_VERSION

[rraminen]

• Use PyTorch’s TORCH_HIP_VERSION in cuda_version() on ROCm.
• Extend _check_cuda_version() to compare that value to torch.version.hip and raise a clear error if PyTorch and TorchAudio were built for different ROCm HIP versions, mirroring the existing CUDA version check.
• Relies on TORCH_HIP_VERSION being defined at compile time (see pytorch/pytorch#182810 for TORCH_HIP_VERSION support).