Update duckdb index files

.gitattributes

@@ -76,3 +76,4 @@ vulrepair-corpus-in/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 vulrepair-corpus-out/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 selfapr-vul4j-in/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 selfapr-vul4j-out/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+sequencer-quixbugs-in/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

sequencer-quixbugs-in/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cad554072859db275c640fb49f5d868b7feef8d1f9a94cdafecb366836526694
+size 1060864