Update duckdb index files

.gitattributes

@@ -147,3 +147,4 @@ ro_all/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 pt_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 pl_all/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sl_contracts/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+ro_caselaw/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

ro_caselaw/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:32acf53aaae78f9121ae1f81dae12a38ee2442b4f6f957d6815fb7bd69b669bf
+size 44314624