Merge pull request #284357 from roconnor/roconnor

maintainers: Update roconnor's email

maintainers/maintainer-list.nix

···
     name = "Robert Walter";
   };
   roconnor = {
-    email = "[e-mail]";
+    email = "[e-mail]";
     github = "roconnor";
     githubId = 852967;
     name = "Russell O'Connor";