Add TF weights

Model converted by the [`transformers`' `pt_to_tf` CLI](https://github.com/huggingface/transformers/blob/main/src/transformers/commands/pt_to_tf.py). All converted model outputs and hidden layers were validated against its PyTorch counterpart.

Maximum crossload output difference=1.020e-04; Maximum crossload hidden layer difference=1.621e-05;
Maximum conversion output difference=1.020e-04; Maximum conversion hidden layer difference=1.621e-05;


CAUTION: The maximum admissible error was manually increased to 0.0002!

tf_model.h5

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+version https://git-lfs.github.com/spec/v1
+oid sha256:9918c45810e3003ea3c5b59075a9830d2cd1bf089731013b5fb926ade4be7066
+size 542300964