enable deterministic mode for npu

[statelesshz]

What does this PR do?

To enable deterministic mode on Ascend NPUs, we need set the environment variable ASCEND_LAUNCH_BLOCKING and HCCL_DETERMINISTIC.

Before submitting

• This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
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• Did you write any new necessary tests?

Who can review?

Anyone in the community is free to review the PR once the tests have passed. Feel free to tag
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cc @muellerzr and @SunMarc

[muellerzr]

Thanks!

cc @amyeroberts

[HuggingFaceDocBuilderDev]

The docs for this PR live here. All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

[amyeroberts]

Thanks for enabling this!