chore: set rector to use php 8.3 (#85)

rector.php

@@ -2,31 +2,22 @@
 
 declare(strict_types=1);
 
-use Rector\CodeQuality\Rector\FunctionLike\SimplifyUselessVariableRector;
 use Rector\CodeQuality\Rector\Identical\FlipTypeControlToUseExclusiveTypeRector;
-use Rector\CodeQuality\Rector\If_\CombineIfRector;
 use Rector\CodeQuality\Rector\If_\SimplifyIfElseToTernaryRector;
 use Rector\CodingStyle\Rector\Catch_\CatchExceptionNameMatchingTypeRector;
 use Rector\CodingStyle\Rector\ClassMethod\MakeInheritedMethodVisibilitySameAsParentRector;
-use Rector\CodingStyle\Rector\Stmt\NewlineAfterStatementRector;
 use Rector\Config\RectorConfig;
 use Rector\DeadCode\Rector\Assign\RemoveUnusedVariableAssignRector;
 use Rector\DeadCode\Rector\ClassMethod\RemoveUnusedPrivateMethodParameterRector;
-use Rector\DeadCode\Rector\ClassMethod\RemoveUselessReturnTagRector;
 use Rector\DeadCode\Rector\If_\RemoveAlwaysTrueIfConditionRector;
 use Rector\DeadCode\Rector\Node\RemoveNonExistingVarAnnotationRector;
 use Rector\DeadCode\Rector\Property\RemoveUnusedPrivatePropertyRector;
-use Rector\Php70\Rector\StmtsAwareInterface\IfIssetToCoalescingRector;
-use Rector\Php80\Rector\Catch_\RemoveUnusedVariableInCatchRector;
-use Rector\Php80\Rector\Class_\ClassPropertyAssignToConstructorPromotionRector;
-use Rector\Php80\Rector\FuncCall\ClassOnObjectRector;
-use Rector\Php80\Rector\FunctionLike\MixedTypeRector;
-use Rector\Php81\Rector\Property\ReadOnlyPropertyRector;
-use Rector\Php82\Rector\Class_\ReadOnlyClassRector;
 use Rector\Php83\Rector\ClassMethod\AddOverrideAttributeToOverriddenMethodsRector;
 use Rector\Strict\Rector\Ternary\DisallowedShortTernaryRuleFixerRector;
+use Rector\ValueObject\PhpVersion;
 
 return RectorConfig::configure()
+    ->withPhpVersion(PhpVersion::PHP_83)
     ->withPaths([
         __DIR__ . '/src',
         __DIR__ . '/tests',