Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 data/train.jsonl filter=lfs diff=lfs merge=lfs -text
 data/valid.jsonl filter=lfs diff=lfs merge=lfs -text
 semeval2012_relational_similarity/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+semeval2012_relational_similarity/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

semeval2012_relational_similarity/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dca54eeb445f4e7cf6f6d7fe83ea0ac78eb97b945216097aef398c9f792cfe8c
+size 1060864