Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 javilonso--rest23_sentiment_data/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+javilonso--rest23_sentiment_data/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

javilonso--rest23_sentiment_data/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6e2621b9526d36de9a478f18e0857666024aac6aa8ffaa98fb87ebf79a0c8d93
+size 402665472