Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+stackexchange/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text

stackexchange/partial-train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8791794b4e6a378d5ba78f5d930c5b8d02688f8c47061cc85edf53eec1af78d1
+size 9071767552