Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ 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
 dhmeltzer--ask-science-qg/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+dhmeltzer--ask-science-qg/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

dhmeltzer--ask-science-qg/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fe9701160913e5fa7375573709a96a11065d32c57a582d40a44137c6b20c78e7
+size 12857344