Add torchcodec in docstrings/tests for `datasets` 4.0 (#39156)
* fix dataset run_object_detection
* bump version
* keep same dataset actually
* torchcodec in docstrings and testing utils
* torchcodec in dockerfiles and requirements
* remove duplicate
* add torchocodec to all the remaining docker files
* fix tests
* support torchcodec in audio classification and ASR
* [commit to revert] build ci-dev images
* [commit to revert] trigger circleci
* [commit to revert] build ci-dev images
* fix
* fix modeling_hubert
* backward compatible run_object_detection
* revert ci trigger commits
* fix mono conversion and support torch tensor as input
* revert map_to_array docs + fix it
* revert mono
* nit in docstring
* style
* fix modular
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Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>