Update duckdb index files

.gitattributes

@@ -102,3 +102,4 @@ it_other/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 it_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 it_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 it_all/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+lt_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

lt_legislation/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:de3f4467b427912230c7f8477b3e2392e26d54c4d8551b6da3c47c60bfef819b
+size 63188992