ocamlPackages.ocp-indent: use Dune 3

pkgs/development/tools/ocaml/ocp-indent/default.nix

@@ -1,10 +1,10 @@
-{ lib, fetchFromGitHub, buildDunePackage, cmdliner }:
+{ lib, fetchFromGitHub, buildDunePackage, cmdliner, findlib }:
 
 buildDunePackage rec {
   version = "1.8.2";
   pname = "ocp-indent";
 
-  useDune2 = true;
+  duneVersion = "3";
 
   src = fetchFromGitHub {
     owner = "OCamlPro";
@@ -13,9 +13,10 @@ buildDunePackage rec {
     sha256 = "sha256-IyvURw/6R0eKrnahV1fqLV0iIeypykrmxDbliECgbLc=";
   };
 
-  minimumOCamlVersion = "4.02";
+  minimalOCamlVersion = "4.03";
 
   buildInputs = [ cmdliner ];
+  propagatedBuildInputs = [ findlib ];
 
   meta = with lib; {
     homepage = "https://www.typerex.org/ocp-indent.html";