maintainers: email update for user 2hexed (NixOS#396422)

Author: drupol

maintainers/maintainer-list.nix

@@ -194,7 +194,7 @@
   };
   _2hexed = {
     name = "n";
-    email = "2hexed@protonmail.com";
+    email = "twohexed@gmail.com";
     github = "2hexed";
     githubId = 54501296;
   };