Update duckdb index files

.gitattributes

@@ -366,3 +366,4 @@ et_wikipedia/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 fi_caselaw/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 et_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 et_other/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+fi_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

fi_contracts/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7a7e3259f1fa86f083dab2f3de17076a9f191fe02cccc37c76fd6d976a77d51a
+size 28061696