Update duckdb index files

.gitattributes

@@ -56,3 +56,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 ammarnasr--bigcode-the-stack-dedup-java-small-subset/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ammarnasr--bigcode-the-stack-dedup-java-small-subset/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ammarnasr--bigcode-the-stack-dedup-java-small-subset/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text
+ammarnasr--the-stack-java-clean/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text

ammarnasr--the-stack-java-clean/valid/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:11b2ad1ef12dbfdaeebec3f8b5ca0bc0991c993a3db249b4604aad95cfd0e727
+size 6828032