nixos: correct meta.maintainers (#413092)

maintainers/maintainer-list.nix

@@ -2644,6 +2644,12 @@
     githubId = 9315;
     name = "Zhong Jianxin";
   };
+  b-m-f = {
+    email = "maximilian@sodawa.com";
+    github = "b-m-f";
+    githubId = 2843450;
+    name = "Maximilian Ehlers";
+  };
   b-rodrigues = {
     email = "bruno@brodrigues.co";
     github = "b-rodrigues";

nixos/modules/programs/vivid.nix

@@ -59,5 +59,5 @@ in
     ];
   };
 
-  meta.maintainers = with lib.maintainers; [ blackheaven ];
+  meta.maintainers = with lib.maintainers; [ gdifolco ];
 }