maintainers: update dblsaiko (#405405)

Author: Sigmanificient

maintainers/maintainer-list.nix

@@ -5802,7 +5802,7 @@
     email = "[email protected]";
     github = "2xsaiko";
     githubId = 3987560;
-    name = "Marco Rebhan";
+    name = "Katalin Rebhan";
   };
   dbohdan = {
     email = "[email protected]";