Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 tldr-docs.jsonl filter=lfs diff=lfs merge=lfs -text
+data/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

data/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e327b1bbce7b649a074cf8476bcb74e178d2f9c6b1debbb13f38d58201d247cb
+size 1060864