nv-ds-chat CI test failure

[github-actions]

The Nightly CI for https://github.com/microsoft/DeepSpeed/actions/runs/11655893125 failed.

[loadams]

This is caused by updating to newer transformers.

[loadams]

Nightly CI issue resolved with merge of #6710. However, we still need to add fixes to support the latest transformers (>= 4.46.0)