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
+yyu--stackexchange-attrprompt/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

yyu--stackexchange-attrprompt/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0fed8e3f843af9b55b639779df3b024393b7cf4fef8a6beeecc8ecf0d5a98478
+size 3682304