Upgrade framework

vendor/symfony/var-dumper/Caster/ConstStub.php

@@ -20,13 +20,13 @@ use Symfony\Component\VarDumper\Cloner\Stub;
  */
 class ConstStub extends Stub
 {
-    public function __construct($name, $value)
+    public function __construct(string $name, string|int|float $value = null)
     {
         $this->class = $name;
-        $this->value = $value;
+        $this->value = 1 < \func_num_args() ? $value : $name;
     }
 
-    public function __toString()
+    public function __toString(): string
     {
         return (string) $this->value;
     }