Add changes from rector rule RemoveUnusedForeachKeyRector

contrib/validate-split-packages.php

@@ -70,7 +70,7 @@ if ($missing) {
 $mainRequire = $mainJson['require'];
 
 $issues = [];
-foreach ($packages as $fullPackageName => $package) {
+foreach ($packages as $package) {
     $content = file_get_contents($path . $package . DS . 'composer.json');
     $json = json_decode($content, true);
     $require = $json['require'] ?? [];

templates/element/exception_stack_trace.php

@@ -18,7 +18,7 @@
 use Cake\Error\Debugger;
 use function Cake\Core\h;
 
-foreach ($exceptions as $level => $exc):
+foreach ($exceptions as $exc):
     $stackTrace = Debugger::formatTrace($exc->getTrace(), [
         'format' => 'array',
         'args' => true,