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
+cluneau--github-issues/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

cluneau--github-issues/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:16ed3715b2a0e9ed1c25bb74399932c7700ebd7bc1c57b6f043ed4ce30e18449
+size 15740928