Update duckdb index files

.gitattributes

@@ -63,3 +63,4 @@ da_caselaw/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 da_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 da_other/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 de_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+el_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

el_contracts/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:11778a28007e5fa0fb8f40dc4b964fba30b880831154053c7486b3e3e8c2a5a2
+size 21770240