gum: add savtrip as maintainer

Author: savtrip

pkgs/by-name/gu/gum/package.nix

@@ -48,7 +48,10 @@ buildGoModule rec {
     homepage = "https://github.com/charmbracelet/gum";
     changelog = "https://github.com/charmbracelet/gum/releases/tag/v${version}";
     license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [ maaslalani ];
+    maintainers = with lib.maintainers; [
+      maaslalani
+      savtrip
+    ];
     mainProgram = "gum";
   };
 }