Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
+tum-nlp--cannot-dataset/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

tum-nlp--cannot-dataset/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fcbcaee5e8a9746008b10f2f52b1e188301f08b7fe3f184628f46708f3c1dde7
+size 13381632