chore: Rector up to 8.0 sur ecrire/action

Config utilisée:
```php
$rectorConfig->phpVersion(PhpVersion::PHP_80);
$rectorConfig->sets([
    SetList::CODE_QUALITY,
    LevelSetList::UP_TO_PHP_80
]);
$rectorConfig->skip([
    ReturnTypeFromStrictScalarReturnExprRector::class,
    ExplicitBoolCompareRector::class,
    ShortenElseIfRector::class,
]);
```