Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 phongmt184172--mtet/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+phongmt184172--mtet/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

phongmt184172--mtet/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:357adb00315310c2f90eacbf62ee218e06734c79b56c72ca50689e92818e350e
+size 3420160