Update duckdb index files

.gitattributes

@@ -56,3 +56,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 default/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 release3/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 release3/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+release3/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

release3/train/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:03581628c7076717bebf1056d04f66dffcd35dfc2f07780bafd853ff854bfed0
+size 4324077568