[AWQ, CI] Bump AWQ version used in docker image (#34922)
The old AWQ version is failing with the latest (unreleased)
transformers, giving the error:
> ImportError: cannot import name 'shard_checkpoint' from
'transformers.modeling_utils'
This has been resolved in awq v0.2.7:
https://github.com/casper-hansen/AutoAWQ/pull/644
