site.update:after
$newSite, $oldSite
return [
    'hooks' => [
        'site.update:after' => function ($newSite, $oldSite) {
            // your code goes here
        }
    ]
]$newSite, $oldSite
return [
    'hooks' => [
        'site.update:after' => function ($newSite, $oldSite) {
            // your code goes here
        }
    ]
]