Debug nightly docs

[timmoon10]

Description

Our nightly docs at https://nvidia.github.io/TransformerEngine/ were last updated on 12/13/23. This PR is an attempt to get this working again.

Type of change

• Documentation change (change only to the documentation, either a fix or a new content)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Infra/Build change
• Code refractor

Changes

• Fix version mismatch in artifact actions
• Fix incorrect artifact name for deployed docs

Checklist:

• I have read and followed the contributing guidelines
• The functionality is complete
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

[timmoon10]

This PR gets us past the previous error: https://github.com/NVIDIA/TransformerEngine/actions/runs/11862971447
I haven't been able to fully test it since the repo is configured to prevent deployments from PRs (probably a good idea).

[timmoon10]

Looking at logs before we changed the artifact action versions, we were experiencing failures due to mismatched artifact names:
https://github.com/NVIDIA/TransformerEngine/actions/runs/10686862322/job/29623182933