Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 train.csv filter=lfs diff=lfs merge=lfs -text
 metaeval--scinli/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 metaeval--scinli/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+metaeval--scinli/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

metaeval--scinli/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:98d890f242a1cb5f66044a2dfcc6a82e9021ac255007f1279392f761a42a7b4a
+size 35926016