Update duckdb index files

.gitattributes

@@ -60,3 +60,4 @@ default/validation.clean/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/validation.other/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/train.clean.360/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/train.clean.100/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/train.other.500/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

default/train.other.500/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cd97b38bcd118a3041b942d528e9c4ade6e7c4b6817113789a04e108cb310345
+size 5257310208