Update duckdb index files

.gitattributes

@@ -96,3 +96,4 @@ fr_other/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 fr_other/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 es_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 es_all/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+et_wikipedia/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

et_wikipedia/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:383fb2f809c6966d8412e4e99c8b07165d0428ac7228cae5b90ded853a8a86b8
+size 9187328