Update duckdb index files

.gitattributes

@@ -6,3 +6,4 @@ Antonym_Negation/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Antonym_Negation/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Encyclopedic_Composition/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Encyclopedic_Composition/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Multihop_Composition/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

Multihop_Composition/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:85d115bfdf2c883c9c1ea7f8e51618a3edc8a38acfd84edbca087f9b8d56c1b4
+size 1060864