Update duckdb index files

.gitattributes

@@ -39,3 +39,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.mp3 filter=lfs diff=lfs merge=lfs -text
 *.ogg filter=lfs diff=lfs merge=lfs -text
 *.wav 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 sha256:4deb83b76f2845b0218221b4059aec7f1fa380ec5d91c012a68e045466b61348
+size 5083508736