Merge pull request #229239 from anmonteiro/patch-6

ocamlPackages.postgresql: `postgresql` is a buildInput

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

···
 
   nativeBuildInputs = [ postgresql ];
   buildInputs = [ dune-configurator ];
+  propagatedBuildInputs = [ postgresql ];
 
   meta = {
     description = "Bindings to the PostgreSQL library";