Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 xusenlin--clue-ner/parquet-train.parquet filter=lfs diff=lfs merge=lfs -text
 xusenlin--clue-ner/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 xusenlin--clue-ner/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+xusenlin--clue-ner/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

xusenlin--clue-ner/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9e4d5324c5492074ee7b9e1d5a3b002907abacd2afadff23cfac8b9d7d6f9a09
+size 1323008