[Quantization] Add TRT-ModelOpt as a Backend (#11173)
* initial commit
* update
* updates
* update
* update
* update
* update
* update
* update
* addressed PR comments
* update
* addressed PR comments
* update
* update
* update
* update
* update
* update
* updates
* update
* update
* addressed PR comments
* updates
* code formatting
* update
* addressed PR comments
* addressed PR comments
* addressed PR comments
* addressed PR comments
* fix docs and dependencies
* fixed dependency test
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Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>
