Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 all/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 weekdays/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+weekends/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

weekends/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:90b0acbd364a2baec68fb0ecfda0ad36cfe79a75e568db607ebf1da775082886
+size 3944448