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
 Gae8J--modeling/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Gae8J--modeling/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fb66087df167baad4ab5a3887a40567beb076481cb4ae4dc8070f0c0028dad95
+size 108539904