Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 yuntian-deng--iclr-decisions-processed-full/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 yuntian-deng--iclr-decisions-processed-full/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+yuntian-deng--iclr-decisions-processed-full/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

yuntian-deng--iclr-decisions-processed-full/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aeecf30945b3c3bcfb89288ae3a6db0d536d6d832c0ae28af08221c89ffe8e97
+size 2895872