ocamlPackages.piaf: add missing dependencies

pkgs/development/ocaml-modules/piaf/default.nix

@@ -1,6 +1,7 @@
 { alcotest-lwt
 , buildDunePackage
 , ocaml
+, bigarray-compat
 , dune-site
 , fetchurl
 , gluten-lwt-unix
@@ -9,6 +10,7 @@
 , magic-mime
 , mrmime
 , psq
+, rresult
 , uri
 }:
 
@@ -19,8 +21,6 @@ buildDunePackage rec {
   pname = "piaf";
   version = "0.1.0";
 
-  duneVersion = "3";
-
   src = fetchurl {
     url = "https://github.com/anmonteiro/piaf/releases/download/${version}/piaf-${version}.tbz";
     hash = "sha256-AMO+ptGox33Bi7u/H0SaeCU88XORrRU3UbLof3EwcmU=";
@@ -31,10 +31,12 @@ buildDunePackage rec {
   '';
 
   propagatedBuildInputs = [
+    bigarray-compat
     logs
     magic-mime
     mrmime
     psq
+    rresult
     uri
     gluten-lwt-unix
   ];