Update duckdb index files

.gitattributes

@@ -59,3 +59,4 @@ Go/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Haskell/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Java/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Javascript/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Julia/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

Julia/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:025f69212f9dbe3615b14b6fbafa01b017e24e8087bb79bd786bf1f3b1bde15b
+size 3158016