Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+mvasiliniuc--iva-kotlin-codeint-clean-valid/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

mvasiliniuc--iva-kotlin-codeint-clean-valid/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:969951b3dec950b620cc22f8c853856f94c6ee51c464b4ec3f0a3c4e83d2469f
+size 280768512