Merge branch '3.4'

* 3.4: (21 commits)
  fixed CS
  HttpCache lock update
  [Intl] Update ICU data to 60.1
  [YAML] Allow to parse custom tags when linting yaml files
  [HttpKernel][Debug] Remove noise from stack frames of deprecations
  [WebServerBundle] prevent console.terminate from being fired after stopping server
  [Validator] Fix Costa Rica IBAN format
  [Bridge/ProxyManager] Remove direct reference to value holder property
  [Validator] Add Belarus IBAN format
  [Config] Fix cannotBeEmpty()
  [Debug] More aggressively aggregate silenced notices per file+line
  [HttpFoundation] minor session-related fix
  [Cache][Lock] Add RedisProxy for lazy Redis connections
  [TwigBridge] [Bootstrap 4] Fix validation error design for expanded choiceType
  [FrameworkBundle] Specifically inject the debug dispatcher in the collector
  [WebserverBundle] fixed the bug that caused that the webserver would …
  update the pull request template
  [Stopwatch] minor fix
  Add default mapping path for validator component
  Add default mapping path for serializer component
  ...

Author: nicolas-grekas

Resources/views/Form/bootstrap_4_layout.html.twig

@@ -111,7 +111,7 @@
                 {{- form_widget(child, {
                     parent_label_class: label_attr.class|default(''),
                     translation_domain: choice_translation_domain,
-                    valid: valid,
+                    valid: true,
                 }) -}}
             {% endfor -%}
         </div>