Update duckdb index files

.gitattributes

@@ -68,3 +68,4 @@ vulrepair-bigvul-out/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 selfapr-corpus-defects4j-Time-in/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 selfapr-corpus-defects4j-in/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 selfapr-corpus-defects4j-Lang-in/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+selfapr-corpus-defects4j-Mockito-in/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text

selfapr-corpus-defects4j-Mockito-in/partial-train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8c55e5a6ab37d9f7a9a4498039fb4aaec449c5495b6934ae4447d66ec04ef8cb
+size 3669766144