Update dependency rector/rector to v2 · ChromaticHQ/usher@1303016

PHP static analysis: rector.php#L22

Fetching class constant class of deprecated class Rector\Php80\Rector\FunctionLike\MixedTypeRector: Instead blindly filling `mixed` type, use "typeDeclarations" set with explicit types.

PHP static analysis: src/Robo/Plugin/Commands/CICommands.php#L105

PHPDoc tag @var with type Robo\Task\CommandStack is not subtype of type Robo\Task\Base\ExecStack.

PHP static analysis: src/Robo/Plugin/Commands/CICommands.php#L118

Loose comparison via "==" is not allowed.

PHP static analysis: src/Robo/Plugin/Traits/DatabaseDownloadTrait.php (in context of class Usher/Robo/Plugin/Commands/DevelopmentModeCommands)#L82

Loose comparison via "==" is not allowed.

PHP static analysis: src/Robo/Plugin/Traits/DatabaseDownloadTrait.php (in context of class Usher/Robo/Plugin/Commands/DevelopmentModeCommands)#L87

Parameter $array of function usort contains unresolvable type.

PHP static analysis: src/Robo/Plugin/Traits/RoboConfigTrait.php (in context of class Usher/Robo/Plugin/Commands/CICommands)#L135