Bring back CUDA 12.9 builds for domains

[huydhn]

This is basically a partial revert of #7074 and #7345 to resume building nightly, test, and release binaries for domains.

This is to address pytorch/pytorch#165165

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1 Skipped Deployment

Project	Deployment	Preview	Updated (UTC)
torchci	Ignored	Preview	Oct 16, 2025 0:19am

[malfet]

Can we put some sort of a temporary provision, like: "TODO: Delete after 11/11/25" or something like that?

[huydhn]

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[huydhn]

@pytorchbot cherry-pick --onto release/2.9 --fixes 'Build 12.9 for domains' -c release