model: update latest version

Transformers version: https://github.com/huggingface/transformers/pull/22626 @ 9dfc612
Conversion script: https://gist.github.com/stefan-it/5d6a4ec89e7ad97181983881434cb4eb/revisions

flax_model.msgpack

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c9d3d4547f20dac9ce6a2efa5b8485a189aa3e26ca52f27a0560713fb2854238
-size 1226405419
+oid sha256:772dde015eb04d8a898c06cf82fd35ed980405be9e2510f5a6a32d59f9354cdd
+size 1226423503