perlPackages.Gtk3: fix strictDeps build (#374014)

Author: FliegendeWurst

pkgs/top-level/perl-packages.nix

@@ -11356,6 +11356,7 @@ with self; {
       hash = "sha256-cNxL8qp0mBx54V/SmNmY4FqS66SBHxrVyfH03jdzesw=";
     };
     propagatedBuildInputs = [ pkgs.gtk3 CairoGObject GlibObjectIntrospection ];
+    nativeCheckInputs = [ GlibObjectIntrospection ];
     preCheck = lib.optionalString stdenv.hostPlatform.isDarwin ''
       # Currently failing on macOS
       rm t/overrides.t