Update duckdb index files

.gitattributes

@@ -59,3 +59,4 @@ rust/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 typescript/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cpp/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 go/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+java/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

java/train/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6b57c02a0c82dd5b0b3c716cd59cbe3b5ecdca964877c397dc7c89d8c2296c1f
+size 8610394112