stylix: add arunoruto to maintainers

Author: arunoruto

generated/all-maintainers.nix

@@ -63,6 +63,12 @@
     githubId = 150545;
     name = "Igor Rzegocki";
   };
+  arunoruto = {
+    email = "[email protected]";
+    github = "arunoruto";
+    githubId = 21687187;
+    name = "Mirza Arnaut";
+  };
   awwpotato = {
     email = "[email protected]";
     github = "awwpotato";