Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 dev.json filter=lfs diff=lfs merge=lfs -text
 test.json filter=lfs diff=lfs merge=lfs -text
 train.json filter=lfs diff=lfs merge=lfs -text
+semeru--Text-Code-concode-Java/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

semeru--Text-Code-concode-Java/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8dc38925adae6c5ce7796b03ae730810ee91fdfcf113b92ad7f1b07ec1a6ce25
+size 2895872