Update duckdb index files

.gitattributes

@@ -10,3 +10,4 @@ Multihop_Composition/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Multihop_Composition/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Object_Comparison/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Object_Comparison/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Property_Conjunction/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

Property_Conjunction/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:48f7edad31eac9f1a3f1903a504014ec1c03c352dc857b356a5855a9b9eaf34b
+size 1060864