Update duckdb index files

.gitattributes

@@ -81,3 +81,4 @@ no_bokmaalnarc-corefud/validation/index.duckdb filter=lfs diff=lfs merge=lfs -te
 hu_szegedkoref-corefud/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 hu_szegedkoref-corefud/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 no_bokmaalnarc-corefud/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cs_pdt-corefud/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

cs_pdt-corefud/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e2314ea3e1e6118fa6cd6fc293c14cb5388b8f3dd85ded132fdc5193f97c32a9
+size 23080960