Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 train.csv filter=lfs diff=lfs merge=lfs -text
 theblackcat102--alexa-qa/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 theblackcat102--alexa-qa/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+theblackcat102--alexa-qa/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

theblackcat102--alexa-qa/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2bfb019ba14457f9a89a9942f32f7b1b578e9970d16bc7500e03443122b041ed
+size 3682304