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
+luigisaetta--atco2_normalized_augmented/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

luigisaetta--atco2_normalized_augmented/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:527967a8a976463a48ae6ce5d2913ec9d1dcf15bda3b9385488b8fe015b0defb
+size 13119488