Update duckdb index files

.gitattributes

@@ -51,3 +51,4 @@ 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
 vesteinn--FC3/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+vesteinn--FC3/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

vesteinn--FC3/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:08a0158f85063597a16e5731da6a79a8811325a3d60bfa1fe96c35eb05a8c727
+size 18100224