Update duckdb index files

.gitattributes

@@ -1,3 +1,4 @@
 HuggingFaceM4--tmp-pmd-synthetic-testing/parquet-100.unique.parquet filter=lfs diff=lfs merge=lfs -text
 HuggingFaceM4--tmp-pmd-synthetic-testing/parquet-300.unique.parquet filter=lfs diff=lfs merge=lfs -text
 HuggingFaceM4--tmp-pmd-synthetic-testing/100.unique/index.duckdb filter=lfs diff=lfs merge=lfs -text
+HuggingFaceM4--tmp-pmd-synthetic-testing/300.unique/index.duckdb filter=lfs diff=lfs merge=lfs -text

HuggingFaceM4--tmp-pmd-synthetic-testing/300.unique/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f75d8485e096b6f2f6f41f113026b16bcc5e879913d361cc9242311a302abafe
+size 14430208