Update duckdb index files

.gitattributes

@@ -84,3 +84,4 @@ el_caselaw/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 el_other/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 en_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 en_all/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+es_caselaw/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

es_caselaw/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c6b7e155c56fdae2657178e2f661b2458014b7862220be8fb673db470f871f0b
+size 7090176