Update duckdb index files

.gitattributes

@@ -330,3 +330,4 @@ da_caselaw/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 da_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 da_other/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_contracts/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+da_wikipedia/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

da_wikipedia/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:afc5cf756169214b9c01bb764759e4ccdb97ed0eea4af90132c451a4fad1fd1a
+size 9973760