Update duckdb index files

.gitattributes

@@ -149,3 +149,4 @@ default/ru_gsd_ud_train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/it_parlamint_ud_train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/no_nynorsklia_ud_train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/tr_framenet_ud_train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/gd_arcosg_ud_train/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/gd_arcosg_ud_train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4a3db5f9b8483e04e6cde38bc5bc85d434e9a5a69428d9a2a33c8860259df33b
+size 10235904