[CI] Temporarily pin transformers

[DN6]

What does this PR do?

Temporarily pin transformers (and by extension hf_hub) to version 4.57.1 and 0.36. This is to reduce noise in our CI while transformers is under going refactors for 5.0.0. We can unpin after the next Diffusers release.

Fixes # (issue)

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[sayakpaul]

uv pip uninstall transformers huggingface_hub && uv pip install --prerelease allow -U transformers@git+https://github.com/huggingface/transformers.git

This is still installing from main no?