[ONNX] enable word_language_model GRU and LSTM scripting (#54310) (#56170)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/56170
* enable test_word_language_model_GRU
* add test_word_language_model_LSTM
* fix ci clang
* fix flake8 format
* remove the outer call to tuple()
Test Plan: Imported from OSS
Reviewed By: pbelevich
Differential Revision: D27866142
Pulled By: SplitInfinity
fbshipit-source-id: ff71d6e1af49b01c6059592930dcfffae98675e8
Co-authored-by: hwangdeyu <deyhuang@qq.com>
