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
 anonymoussubmissions--switchboard-ner-non-normalized/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 anonymoussubmissions--switchboard-ner-non-normalized/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+anonymoussubmissions--switchboard-ner-non-normalized/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

anonymoussubmissions--switchboard-ner-non-normalized/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:85d91ade705616f4b383cd0a1dd232e598f46e9d206727271859b21d09ef53f3
+size 1585152