Update duckdb index files

.gitattributes

@@ -49,3 +49,4 @@ 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
+Adapting--abstract-keyphrases/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

Adapting--abstract-keyphrases/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:931962f2d3fd83dd4b557a3986d471201ffe769d89aeeaa7d93081d639c924b9
+size 1060864