Update duckdb index files

transcribe_it/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:03d0292493d0b9e389887c87990a80b292ed867f8d7031073dea2b3c2cda0324
-size 336605184
+oid sha256:c15511697e07c7e789bd69f69b7d1c07822f0450b7afcf775ff2644041afb03c
+size 336343040