Merge branch '6.0' into 6.1

* 6.0:
  Fix merge
  [Mime] Throw exception when body in Email attach method is not ok
  [VarDumper][VarExporter] Deal with DatePeriod->include_end_date on PHP 8.2
  [Cache] Throw when "redis_sentinel" is used with a non-Predis "class" option
  fix merge
  Bootstrap 4 fieldset for row errors
  [Form] Fix same choice loader with different choice values
  [Filesystem] Safeguard (sym)link calls
  Fix dumping extension config without bundle
  [HttpClient] Honor "max_duration" when replacing requests with async decorators
  [HttpClient] Add missing HttpOptions::setMaxDuration()
  [HttpKernel] Fix missing null type in `ErrorListener::__construct()`
  [HttpFoundation] [Session] Overwrite invalid session id

Author: nicolas-grekas

Resources/views/Form/bootstrap_4_horizontal_layout.html.twig

@@ -49,6 +49,7 @@ col-sm-2
             <div class="{{ block('form_group_class') }}">
                 {{- form_widget(form, widget_attr) -}}
                 {{- form_help(form) -}}
+                {{- form_errors(form) -}}
             </div>
         </div>
 {##}</fieldset>