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=1.312e-02; Maximum crossload hidden layer difference=1.495e-01;
Maximum conversion output difference=1.312e-02; Maximum conversion hidden layer difference=1.495e-01;


CAUTION: The maximum admissible error was manually increased to 0.9!

tf_model.h5

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+oid sha256:489f5f36ba6e1959913bb77b30baf85e8b791e1e585dec7d65a2e217bfb8be47
+size 6174574896