Update duckdb index files

.gitattributes

@@ -348,3 +348,4 @@ el_other/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 el_wikipedia/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 en_caselaw/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 en_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+en_wikipedia/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

en_wikipedia/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d618050c1cbf7ea80222c3292460375ef9a3eff9732df1e7ea3dacfe8b552a4f
+size 7614464