Adds Pest tests. Starts GH Action.

app/Jobs/ExecuteCoolifyProcess.php

@@ -55,6 +55,7 @@ class ExecuteCoolifyProcess implements ShouldQueue
         $sshCommand = 'ssh '
             . '-o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null '
             . '-o PasswordAuthentication=no '
+            . '-o RequestTTY=no '
             // Quiet mode. Causes most warning and diagnostic messages to be suppressed.
             // Errors are still out put. This is to silence for example, that warning
             // Permanently added <host and key type> to the list of known hosts.