Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
+amphora--CSAT-QA/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

amphora--CSAT-QA/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dbbfd79868bcdd658ceae5667f1ae455c6962d63ae66167019a33726895f18d1
+size 4730880