Update duckdb index files

.gitattributes

@@ -54,3 +54,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 ruslan--bioleaflets-biomedical-ner/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ruslan--bioleaflets-biomedical-ner/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+ruslan--bioleaflets-biomedical-ner/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

ruslan--bioleaflets-biomedical-ner/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6a6a6cbe0d491463cc42fd9cc2922d56fa1b8a0c28349388c5bc12db57426485
+size 22818816