Add separate cron runner that doesn't use proc_open (#1405)

* Add alternative to using the artisan schedule runner

* StyleCI fixes

* Add additional cron time periods

* Style fixes

* Typo

* Update the web cron to use the new system

* Write out JSON for which tasks were run

* Rename cron.php to just cron

app/Console/Cron/ThirtyMinute.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Console\Cron;
+
+use App\Contracts\CronCommand;
+use App\Events\CronThirtyMinute;
+
+/**
+ * The actual cron tasks are in app/Cron
+ */
+class ThirtyMinute extends CronCommand
+{
+    protected $signature = 'cron:thirty';
+    protected $description = 'Run the 30 minute cron tasks';
+    protected $schedule;
+
+    public function handle(): void
+    {
+        $this->callEvent();
+    }
+
+    public function callEvent()
+    {
+        event(new CronThirtyMinute());
+    }
+}