Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 semeru--code-code-GeneratingAssertsAbstract/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+semeru--code-code-GeneratingAssertsAbstract/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

semeru--code-code-GeneratingAssertsAbstract/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f0db698615b92c133eb22370852a9e0651080e1a48dbfea809127b81ad2f08d1
+size 259534848