Merge branch '5.1' into 5.2

* 5.1:
  minor cs fix
  [Config][TwigBundle] Fixed syntax error in config
  [DI] Fix Xdebug 3.0 detection
  Use php8 stable
  [Notifier] Streamline changelogs of notifier bridges
  [Cache] fix checking for redis_sentinel support
  [Messenger] Fixed wording in php doc
  [Intl] Update the ICU data to 68.1
  [FrameworkBundle] acces public-deprecated services via the private container to remove false-positive deprecations
  Remove unused @throws tags and handling of never thrown exceptions
  [PhpUnitBridge] Fix disabling DeprecationErrorHandler from phpunit configuration file

Author: nicolas-grekas

Tests/Extension/Core/Type/LocaleTypeTest.php

@@ -49,7 +49,7 @@ public function testChoiceTranslationLocaleOption()
         // Don't check objects for identity
         $this->assertContainsEquals(new ChoiceView('en', 'en', 'англійська'), $choices);
         $this->assertContainsEquals(new ChoiceView('en_GB', 'en_GB', 'англійська (Велика Британія)'), $choices);
-        $this->assertContainsEquals(new ChoiceView('zh_Hant_MO', 'zh_Hant_MO', 'китайська (традиційна, Макао, О.А.Р Китаю)'), $choices);
+        $this->assertContainsEquals(new ChoiceView('zh_Hant_TW', 'zh_Hant_TW', 'китайська (традиційна, Тайвань)'), $choices);
     }
 
     public function testSubmitNull($expected = null, $norm = null, $view = null)