Update duckdb index files

.gitattributes

@@ -59,3 +59,4 @@ bg_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 da_other/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 da_other/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 bg_caselaw/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+bg_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

bg_legislation/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:610ca4beccd160de6cb33abee17f2284a16444caf3c91bb1a549ef5e3c930f8b
+size 11284480