Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 PartiallyTyped--answerable_tydiqa_tokenized/parquet-train.parquet filter=lfs diff=lfs merge=lfs -text
 PartiallyTyped--answerable_tydiqa_tokenized/parquet-validation.parquet filter=lfs diff=lfs merge=lfs -text
 PartiallyTyped--answerable_tydiqa_tokenized/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+PartiallyTyped--answerable_tydiqa_tokenized/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

PartiallyTyped--answerable_tydiqa_tokenized/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6adeda08c43124cfd124f58d607f423924103677cd1d215e2f7a515820c2d53d
+size 31469568