PHP 8.1 Migrate table from strftime to date

|strftime|date|example|
|--------|----|------|
|%d|d|09
|%m|m|02
|%Y|Y|2022
|%B|F|January
|%b|M|Jan
|%a|D|Son
|%k|G|0-23
|%M|i|00-59


+ [date](https://www.php.net/manual/de/datetime.format.php)
+ [strftime](https://www.php.net/strftime)
+ Yii: `Yii::$app->formatter->asDate($timestmap, "php:d-m-Y")`