Update duckdb index files

.gitattributes

@@ -61,3 +61,4 @@ sequencer-corpus-in/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sequencer-defects4j-in/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sequencer-defects4j-out/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sequencer-vul4j-in/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+sequencer-corpus-out/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

sequencer-corpus-out/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ce90e35f9687deb686be80c5d16dff23b50abdc56fa6e99f630aeaab9ff75e72
+size 297283584