Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+metaeval--path-naturalness-prediction/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

metaeval--path-naturalness-prediction/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:390a9b5a6259abd4fea23a9705801446cd2e1bbfd946c6a377c034ceb355c613
+size 19410944