Update duckdb index files

.gitattributes

@@ -154,3 +154,4 @@ sk_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sl_contracts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ro_other/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sk_all/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+pl_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

pl_legislation/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7fc74548664a956ccb30a5407be4f2b07020d3b2671ee8bbe012a59c58d79626
+size 76034048