Update next.md

Author: sylvestre

next.md

@@ -39,3 +39,4 @@ This file documents the pending improvements or regression:
 * https://github.com/uutils/coreutils/pull/6996
 * https://github.com/uutils/coreutils/pull/7013
 * https://github.com/uutils/coreutils/pull/7032
+* https://github.com/uutils/coreutils/pull/7016