Merge branch '7.2' into 7.3

* 7.2:
  docs: Update @param for $match to reflect the correct default value.
  [Validator] add pl translation for the Twig constraint
  dump default value for property hooks if present

Author: fabpot

ProxyHelper.php

@@ -85,7 +85,9 @@ public static function generateLazyGhost(\ReflectionClass $class): string
             $hooks .= "\n    "
                 .($p->isProtected() ? 'protected' : 'public')
                 .($p->isProtectedSet() ? ' protected(set)' : '')
-                ." {$type} \${$name} {\n";
+                ." {$type} \${$name}"
+                .($p->hasDefaultValue() ? ' = '.$p->getDefaultValue() : '')
+                ." {\n";
 
             foreach ($p->getHooks() as $hook => $method) {
                 if ('get' === $hook) {