Update duckdb index files

.gitattributes

@@ -102,3 +102,4 @@ mbpp-r-keep/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 mbpp-rb-keep/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 mbpp-rkt/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 mbpp-rkt-keep/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+mbpp-rs/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

mbpp-rs/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e269ed5191d94cd24e808b5b48cfbabc57f51c6a22e8ac0866dac3bf409ae143
+size 1060864