Add Rector & various upgrades

app/Console/Kernel.php

@@ -7,11 +7,13 @@
 
 class Kernel extends ConsoleKernel
 {
+    #[\Override]
     protected function schedule(Schedule $schedule)
     {
         $schedule->command('github:fetch')->everySixHours();
     }
 
+    #[\Override]
     protected function commands()
     {
         $this->load(__DIR__.'/Commands');