Merge branch '5.4' into 6.2

* 5.4:
  fix style of label containing new lines in PUML dump
  [TwigBridge] Allow floats in html5 input type number field
  [Translation] Handle the translation of empty strings
  [VarDumper] Fix error when reflected class has default Enum parameter in constructor
  [FrameworkBundle] Fix denyAccessUnlessGranted for mixed attributes
  [Validator] Fix translation of AtLeastOneOf constraint message
  [Validator] Sync IBAN formats with Swift IBAN registry
  [String] Use same alphabet for ByteString::fromRandom tests
  Fix phpdocs in components

Author: nicolas-grekas

Tests/ByteStringTest.php

@@ -28,7 +28,7 @@ public function testFromRandom()
 
         self::assertSame(32, $random->length());
         foreach ($random->chunk() as $char) {
-            self::assertNotNull((new ByteString('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'))->indexOf($char));
+            self::assertNotNull((new ByteString('123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'))->indexOf($char));
         }
     }