Update duckdb index files

.gitattributes

@@ -66,3 +66,4 @@ de_potsdamcc-corefud/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 de_potsdamcc-corefud/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ru_rucor-corefud/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ru_rucor-corefud/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+cs_pcedt-corefud/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

cs_pcedt-corefud/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9d32c3f8aad1bfa34f100743bb2a0a9e27ba554f4fed2cb625bb1f2076acf777
+size 196882432