dprint is inconsistent

[phanirithvij]

Describe the bug

programs.dprint.enable = true;
programs.dprint.includes = [ "**/*.md" ];  # expected to work, fails
programs.dprint.settings.includes = [ "**/*.md" ];  # succeeds

programs.prettier.excludes = [ "*/vendor/*" ];  # succeeds

Expected behavior

Expect the settings API to be consistent.

System information

latest commit 0ce9d14, via flake, nixpkgs-unstable.