[Dep] Update to php 8.1 requirement (#1364)

* skip MyCLabsClassToEnumRector and SpatieEnumClassToEnumRector as needs syntax update usage and downgrade rule for it

* [ci-review] Rector Rectify

* [ci-review] Rector Rectify

* udpate danielstjules/stringy to use fork

* use no-api true to fix error Could not authenticate against github.com

* [ci-review] Rector Rectify

* try update fork url

* update stringy with vendor-patches

* set php 8.0 on build scoped due #[\ReturnTypeWillChange] on php-scoper.phar

* enable MyCLabsClassToEnumRector and SpatieEnumClassToEnumRector in config set, but skip in rector.php

* downgrade from php 8.1, scoping from php 8.0

* clean rector.php

* [ci-review] Rector Rectify

Co-authored-by: GitHub Action <action@github.com>

Author: samsonasik

rector.php

@@ -13,8 +13,6 @@
 use Rector\Php55\Rector\String_\StringClassNameToClassConstantRector;
 use Rector\Php81\Rector\Class_\MyCLabsClassToEnumRector;
 use Rector\Php81\Rector\Class_\SpatieEnumClassToEnumRector;
-use Rector\Php81\Rector\FuncCall\Php81ResourceReturnToObjectRector;
-use Rector\Php81\Rector\MethodCall\MyCLabsMethodCallToEnumConstRector;
 use Rector\PHPUnit\Set\PHPUnitSetList;
 use Rector\Privatization\Rector\Class_\FinalizeClassesWithoutChildrenRector;
 use Rector\Set\ValueObject\LevelSetList;
@@ -82,10 +80,6 @@
         MyCLabsClassToEnumRector::class,
         SpatieEnumClassToEnumRector::class,
 
-        // temporary skip non return never type rector
-        MyCLabsMethodCallToEnumConstRector::class,
-        Php81ResourceReturnToObjectRector::class,
-
         // test paths
         '*/tests/**/Fixture/*',
         '*/rules-tests/**/Fixture/*',