Convert weights to .safetensors

Using https://github.com/huggingface/safetensors and https://github.com/huggingface/transformers/pull/19175, Hat/tip

@narsil
and

@sgugger
🔥

.gitattributes

@@ -7,3 +7,4 @@
 *.ot filter=lfs diff=lfs merge=lfs -text
 *.onnx filter=lfs diff=lfs merge=lfs -text
 *.msgpack filter=lfs diff=lfs merge=lfs -text
+model.safetensors filter=lfs diff=lfs merge=lfs -text

model.safetensors

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5bde1d28afb363d0103324efeb5afc8b2b397fe5e04beabb9b1ef355255ade81
+size 498818054