Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 snl.csv filter=lfs diff=lfs merge=lfs -text
 navjordj--SNL_summarization/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 navjordj--SNL_summarization/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+navjordj--SNL_summarization/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

navjordj--SNL_summarization/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dcb7d3b8819801e5a0b5b2087553730cb0bcbd93d0cb6017a23f3d87409d4ab6
+size 4468736