Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 c/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 haskell/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+rust/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

rust/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1218e45cc9f643ddb01eda46ac40489b2120797bde065b5f3f02316b8100db52
+size 2154049536