feat(golang): update to 1.19

roles/dev.nix

@@ -3,9 +3,16 @@
 let unstable = import <nixos-unstable> { };
 in {
 
+  services.emacs.package = pkgs.emacsPgtk;
+  nixpkgs.overlays = [
+    (import (builtins.fetchTarball {
+      url = https://github.com/nix-community/emacs-overlay/archive/master.tar.gz;
+    }))
+  ];
+
   environment.systemPackages = with pkgs; [
     gnumake
-    go_1_17
+    go_1_19
     rustup
     shellcheck
     unstable.golangci-lint
@@ -27,7 +34,7 @@ in {
     musl
 
     dbeaver
-    emacs
+    emacs-gtk
     gitAndTools.delta
     lazygit
     ltrace