Update duckdb index files

.gitattributes

@@ -64,3 +64,4 @@ all/test.clean/index.duckdb filter=lfs diff=lfs merge=lfs -text
 clean/train.clean.100/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 all/test.other/index.duckdb filter=lfs diff=lfs merge=lfs -text
 other/train.other.500/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
+all/train.clean.100/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

all/train.clean.100/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f42756fe288efaec71cd5b0c01774f1596a04da66adefef514d9e817eedb8925
+size 4538249216