added max retries to authelia

Co-authored-by: Copilot <copilot@github.com>

authelia.nix

@@ -78,6 +78,10 @@
         #   { domain = "hello.srazka.com"; policy = "two_factor"; }
         # ];
       };
+
+      regulation = {
+        max_retries = 5;
+      };
     };
   };
 }