Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
+richardr1126--spider-natsql-context-validation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

richardr1126--spider-natsql-context-validation/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:766e65968b4063bb9c295837f06a12becda9ad515ee7526b33196d4b0f7a5847
+size 1847296