enable strict deps for own drvs

packages/advcp/default.nix

···
 stdenv.mkDerivation rec {
   name = "advcp";
   version = "9.1";
+  strictDeps = true;
 
   src = fetchurl {
     name = "source-${name}-${version}.tar.xz";

packages/rofi-unicode/default.nix

···
   stdenvNoCC.mkDerivation (self: {
     pname = "rofiemoji-rofiunicode";
     version = "${source.rev}";
+    strictDeps = true;
 
     src = fetchgit {
       inherit (source) rev url sha256;