Update duckdb index files

.gitattributes

@@ -91,3 +91,4 @@ ga_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 hr_caselaw/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 es_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 et_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+hu_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

hu_contracts/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:333db31ee10d8c41a52752b696818f1e9e6959cebd1de82a63e8cd97acb08bc9
+size 1060864