Update duckdb index files

.gitattributes

@@ -53,3 +53,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 metaeval--reqeval-ambiguity-detection/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+metaeval--reqeval-ambiguity-detection/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

metaeval--reqeval-ambiguity-detection/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3a91f0bc0fa343998abf4358a6544e9765bf9026fe39131db4686b149da44aca
+size 1060864