Update duckdb index files

.gitattributes

@@ -357,3 +357,4 @@ cs_all/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 es_wikipedia/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 es_other/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 es_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+et_caselaw/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

et_caselaw/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:deb7f7c72a3672f0b2a0c3f8a4981ce5fb13ce742c7378ef218137f23fb8d34a
+size 6041600