Update: laravel 8 to 12, php 7.3 to php 8.3, Jenkinsfile, Unit/Feature testing, vapor, docker

app/Models/UserAffiliate.php

@@ -15,10 +15,18 @@ class UserAffiliate extends AbstractModel
         'registered_at'
     ];
 
-    protected $dates = [
-        'clicked_at',
-        'registered_at'
-    ];
+    /**
+     * Get the attributes that should be cast.
+     *
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'clicked_at' => 'datetime',
+            'registered_at' => 'datetime',
+        ];
+    }
 
     /**
      * @return BelongsTo