Fix tokenizer regex pattern (Mistral regex bug fix)

tokenizer.json

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:aeb13307a71acd8fe81861d94ad54ab689df773318809eed3cbe794b4492dae4
-size 11422654
+oid sha256:c572724efc446765023a382b33c494684ad4bb9128ece4605ea4997ea9fd239f
+size 14570147