trunk/a5f76a0e8ca67c5ef3c095061187dd7c318e7197: [cuDNN] Add guards for cuDNN SDPA decode (#194927)

发生了什么

This PR adds guards that disable cuDNN SDPA on version+device combos that expose the decoding bug from #193893 . Right now this blocks cuDNN on Blackwell on 9.19+, still waiting on a confirmed fixed release build to set an upper bound. Authored with assistance from Codex Pull Request resolved: #194927 Approved by: https://github.com/drisspg , https://github.com/eqy , https://github.com/atalman

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