Update duckdb index files

.gitattributes

@@ -70,3 +70,4 @@ vcsum/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 musique/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 triviaqa/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 passage_count/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+repobench-p/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

repobench-p/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b5322e7e53609b88382d2186589e84630619fd892ef4213602b693c9ac449b81
+size 13905920