Update duckdb index files

.gitattributes

@@ -108,3 +108,4 @@ high_school_politics/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 high_school_politics/val/index.duckdb filter=lfs diff=lfs merge=lfs -text
 logic/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 logic/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+logic/val/index.duckdb filter=lfs diff=lfs merge=lfs -text

logic/val/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a067db70b9c736f75ab11ae2a3a2c58c2a43d9d511e6ad82eb7a0bf7166604eb
+size 1060864