Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 ChanceFocus--flare-headlines/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ChanceFocus--flare-headlines/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+ChanceFocus--flare-headlines/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text

ChanceFocus--flare-headlines/valid/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0885994b6d0c0a646d95374b9e203ca809aeb3b4a27942ffcb64a0fa2bc094d8
+size 2371584