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
+nthngdy--wikipedia-22-12-concat-split/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

nthngdy--wikipedia-22-12-concat-split/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0c450427596abc934f4ff47308004c6729b86b82287c4300654d16f3ac23cf7c
+size 591671296