Update duckdb index files

.gitattributes

@@ -66,3 +66,4 @@ all_caselaw/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cs_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 bg_contracts/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 da_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+all_wikipedia/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

all_wikipedia/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ec1c3accc7bb47c44a2d629d3a9cd854a7a9d62eb8ec89a7ab407f713f648ffd
+size 212611072