Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 rootacess--math-qa-classification/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 rootacess--math-qa-classification/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+rootacess--math-qa-classification/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

rootacess--math-qa-classification/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7f77cd28b9576468610b92b0a09ef1c81c1413dd51687daab4a5f7843454275c
+size 2109440