Update duckdb index files

.gitattributes

@@ -52,3 +52,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+metaeval--sts-companion/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

metaeval--sts-companion/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:90466baa4aae781e389be1b59373fcb8aec685916ac2459b96c5eb7d8abc35ae
+size 1847296