Update duckdb index files

.gitattributes

@@ -167,3 +167,4 @@ tatoeba.ben/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 tatoeba.bul/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 tatoeba.cmn/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 tatoeba.deu/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+tatoeba.ell/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

tatoeba.ell/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2016add336553fea3c81909a40cc846fe14714ca90ab548e1940d4bfea15b70f
+size 1060864