Update duckdb index files

.gitattributes

@@ -78,3 +78,4 @@ wol/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 wol/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 yor/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 yor/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+yor/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

yor/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d33a0e39b9270bea59980631734dac4d894467a398ba2b2ed82039e94a6c9328
+size 1060864