Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ 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
 Sp1786--multiclass-sentiment-analysis-dataset/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Sp1786--multiclass-sentiment-analysis-dataset/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

Sp1786--multiclass-sentiment-analysis-dataset/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b80ce345305cbcab37d97a4d3bc47b704698a6f1f1ab0488f40feaed8fa5f791
+size 7614464