Update duckdb index files

.gitattributes

@@ -487,3 +487,4 @@ sv_wikipedia/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sv_all/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sv_contracts/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 nl_all/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+nl_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

nl_legislation/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:38b0612b92f6cd6ccfad26df7c1c9a08a6df29dda0030a81e6c7571c2821e871
+size 60305408