Update duckdb index files

.gitattributes

@@ -67,3 +67,4 @@ de_potsdamcc-corefud/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ru_rucor-corefud/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ru_rucor-corefud/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_pcedt-corefud/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+es_ancora-corefud/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

es_ancora-corefud/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7eaa8f6a6405e2944ca9d05734973a1e11351ce5a7a57066539dd4d7362a72f8
+size 11022336