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=2.861e-06; Maximum converted output difference=2.861e-06.

cc

@lysandre

(HF maintainer for this repo)

tf_model.h5

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9114ffaf2db4344a1e463f0713177ab811b8c141746090144a9e3e8b52155890
+size 333971544