[BUILD] Bump cutlass to v4.7.1

[Harry-Chen]

Purpose

Inspired by #43814 (comment), we need to have newer cutlass for C extensions.

Test Plan

Will be tested by CI.

Test Result

• CI pipeline:
  • https://buildkite.com/vllm/ci/builds/85976
  • https://buildkite.com/vllm/ci/builds/86820 (retry of failed jobs)
• Release pipeline: https://buildkite.com/vllm/release-v2/builds/5740

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[claude]

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[Harry-Chen]

/ci run

[github-actions]

✅ Triggered Buildkite CI #85960 for commit a863e21ce936.

[Copilot]

Pull request overview

This PR updates vLLM’s CUDA build configuration to fetch a newer CUTLASS revision, aligning the project with newer CUTLASS features needed by the C++/CUDA extensions.

Changes:

• Bump CUTLASS_REVISION used by FetchContent_Declare(cutlass ...) from v4.4.2 to v4.7.1.

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[Harry-Chen]

/ci retry

[github-actions]

✅ Triggered Buildkite CI #85974 for commit 68bd0993734d, running 6 failed step(s) from Buildkite CI #85960.

[Harry-Chen]

/ci run

[github-actions]

✅ Triggered Buildkite CI #85976 for commit 68bd0993734d.

[Harry-Chen]

/ci retry

[github-actions]

✅ Triggered Buildkite CI #86820 for commit ffad5efdef7b, running 8 failed step(s) from Buildkite CI #85976.