Updated Schema changes

[Bob]

// ################################ UPGRADE TO 2.3.7 ##################

Schema changes:

    public function upgrade2030770Step1()
    {
        $this->alterTable('xf_xa_cas_ad', function (Alter $table)
        {
            $table->addColumn('featured', 'tinyint')->setDefault(0)->after('tags');
        });
    }   
    
    public function upgrade2030770Step2()
    {
        $this->alterTable('xf_xa_cas_category', function (Alter $table)
        {
            $table->addColumn('auto_feature', 'tinyint')->setDefault(0)->after('location_on_list_display_type');
        });
    }
    
    public function upgrade2030770Step4(): void
    {
        $this->dropTable('xf_xa_cas_ad_feature');
        
        $this->alterTable('xf_user', function(Alter $table)
        {
            $table->dropColumns(['xa_cas_featured_ad_count']);
        });
    }