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
 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/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f9e678a0c64e2755c7e5a6c4231213c1b2dd876f23a22019d1994adb22860363
+size 23605248