Update duckdb index files

.gitattributes

@@ -63,3 +63,4 @@ bg_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 all_other/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 de_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 all_caselaw/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cs_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

cs_legislation/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:04eea9fada92a48d598888739d323c8a6ba1143227ed776525da8168326c0846
+size 73936896