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
+chenbowen-184--events-marketing-sample/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

chenbowen-184--events-marketing-sample/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:033b5531b10688fc625d50af103589a3425485a52994777bff239f9060193de1
+size 1060864