enforce eager mode with bnb quantization temporarily

[chenqianfzh]

Temporarily enforce eager_mode in bitsandbytes quantization before the known issue (#5569) is fixed.

[github-actions]

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[chenqianfzh]

@mgoin Thanks for comments. Updated.

[chenqianfzh]

/ready

[devlup]

bitsandbytes-foundation/bitsandbytes#1308 this issue got fixed , this will enable not to enforce eager mode ? @chenqianfzh @kylesayrs

[mgoin]

@devlup correct but we need a new release of bitsandbytes to be made since we use the pypi package