Update duckdb index files

conorcl--portraits-512/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:09f98e507aba8c083be21e53d3d72830d8be5ec6c4788cc83bf002eb644fca5b
-size 84946944
+oid sha256:860331ddb3dd236f46e786c970bd0e5872e7775f494e5fe8df9afc6dd96ff55d
+size 185610240