Update parquet files

jamescalam--lex-transcripts/json-train.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:db5e424889ffdb7bcd125af67fa593cf2b416b99f6e7ac5f7b38a552f578d17c
-size 3795492
+oid sha256:ac074a99411667d388953b42c1250a73de12b42a47903c6a87678cf16b84d3a1
+size 24122056