Update duckdb index files

.gitattributes

@@ -39,3 +39,4 @@ agemagician--uniref90/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 agemagician--uniref90/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/partial-validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/partial-test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/partial-train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:099dd2ad3e2d21b4e7402af52972bd9eb9a8f34e6a8242590818be9086cbd721
+size 9785061376