Update duckdb index files

.gitattributes

@@ -198,3 +198,4 @@ aym_Latn/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 aym_Latn/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ary_Arab/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 asm_Beng/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+azb_Arab/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

azb_Arab/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a1e2c44ca46ffff5ab4e9b506da8620321dd8ab1fc738bc53a4bf9b69243551
+size 1060864