Update duckdb index files

.gitattributes

@@ -94,3 +94,4 @@ swiss_law_area_prediction_considerations/validation/index.duckdb filter=lfs diff
 swiss_law_area_prediction_sub_area_facts/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 swiss_law_area_prediction_sub_area_considerations/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 swiss_law_area_prediction_facts/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+greek_legal_code_chapter/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

greek_legal_code_chapter/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4813fa0275051357fcfe0312c888acf5ebe33de1cf63508c6f6ed99a10bf8de4
+size 78917632