Bump torch from 2.7 to 2.7.1 in /.ci/docker

[dependabot]

Bumps torch from 2.7 to 2.7.1.

Release notes

Sourced from torch's releases.

PyTorch 2.7.1 Release, bug fix release

This release is meant to fix the following issues (regressions / silent correctness):

Torch.compile

Fix Excessive cudagraph re-recording for HF LLM models (#152287) Fix torch.compile on some HuggingFace models (#151154) Fix crash due to Exception raised inside torch.autocast (#152503) Improve Error logging in torch.compile (#149831) Mark mutable custom operators as cacheable in torch.compile (#151194) Implement workaround for a graph break with older version einops (#153925) Fix an issue with tensor.view(dtype).copy_(...) (#151598)

Flex Attention

Fix assertion error due to inductor permuting inputs to flex attention (#151959) Fix performance regression on nanogpt speedrun (#152641)

Distributed

Fix extra CUDA context created by barrier (#149144) Fix an issue related to Distributed Fused Adam in Rocm/APEX when using nccl_ub feature (#150010) Add a workaround random hang in non-blocking API mode in NCCL 2.26 (#154055)

MacOS

Fix MacOS compilation error with Clang 17 (#151316) Fix binary kernels produce incorrect results when one of the tensor arguments is from a wrapped scalar on MPS devices (#152997)

Other

Improve PyTorch Wheel size due to introduction of addition of 128 bit vectorization (#148320) (#152396) Fix fmsub function definition (#152075) Fix Floating point exception in torch.mkldnn_max_pool2d (#151848) Fix abnormal inference output with XPU:1 device (#153067) Fix Illegal Instruction Caused by grid_sample on Windows (#152613) Fix ONNX decomposition does not preserve custom CompositeImplicitAutograd ops (#151826) Fix error with dynamic linking of libgomp library (#150084) Fix segfault in profiler with Python 3.13 (#153848)

Commits

• e2d141d set thread_work_size to 4 for unrolled kernel (#154541)
• 1214198 [c10d] Fix extra CUDA context created by barrier (#152834)
• 790cc2f [c10d] Add more tests to prevent extra context (#154179)
• 62ea99a [CI] Remove the xpu env source for linux binary validate (#154409)
• 941732c [ROCm] Added unit test to test the cuda_pluggable allocator (#154135)
• 769d5da [binary builds] Linux aarch64 CUDA builds. Make sure tag is set correctly (#1...
• 306ba12 Fix uint view copy (#151598) (#154121)
• 1ae9953 [ROCm] Update CUDAPluggableAllocator.h (#1984) (#153974)
• 4a815ed ci: Set minimum cmake version for halide build (#154122)
• 4c7314e [Dynamo] Fix einops regression (#154053)
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