Merge branch '6.3' into 6.4

* 6.3:
  Sync .github/expected-missing-return-types.diff
  [FrameworkBundle] Add void return-type to ErrorLoggerCompilerPass
  [DoctrineBridge] Fix cross-versions compat
  [HttpKernel] Handle nullable callback of StreamedResponse
  [Mailer] Capitalize sender header for Mailgun
  [FrameworkBundle] Configure `logger` as error logger if the Monolog Bundle is not registered
  DX: PHP CS Fixer - drop explicit nullable_type_declaration_for_default_null_value config, as it's part of ruleset anyway
  DX: PHP CS Fixer - drop explicit no_superfluous_phpdoc_tags config, as it's part of ruleset already
  Revert "Add keyword `dev` to leverage composer hint"
  [Validator] Add missing Ukrainian translations #51960
  [Validator] Add missing translations for Indonesian (id)
  [Validator] Add missing translations for Vietnamese (VI)
  Add missing Validator translations - Croatian (hr)
  Run high-deps tests with ORM 3 and DBAL 4
  [FrameworkBundle] Fix calling Kernel::warmUp() when running cache:warmup

Author: nicolas-grekas

Tests/Store/DoctrineDbalStoreTest.php

@@ -145,13 +145,22 @@ public function testCreatesTableInTransaction(string $platform)
         $store->save($key);
     }
 
-    public static function providePlatforms()
+    public static function providePlatforms(): \Generator
     {
         yield [\Doctrine\DBAL\Platforms\PostgreSQLPlatform::class];
-        yield [\Doctrine\DBAL\Platforms\PostgreSQL94Platform::class];
+
+        // DBAL < 4
+        if (class_exists(\Doctrine\DBAL\Platforms\PostgreSQL94Platform::class)) {
+            yield [\Doctrine\DBAL\Platforms\PostgreSQL94Platform::class];
+        }
+
         yield [\Doctrine\DBAL\Platforms\SqlitePlatform::class];
         yield [\Doctrine\DBAL\Platforms\SQLServerPlatform::class];
-        yield [\Doctrine\DBAL\Platforms\SQLServer2012Platform::class];
+
+        // DBAL < 4
+        if (class_exists(\Doctrine\DBAL\Platforms\SQLServer2012Platform::class)) {
+            yield [\Doctrine\DBAL\Platforms\SQLServer2012Platform::class];
+        }
     }
 
     public function testTableCreationInTransactionNotSupported()

composer.json

@@ -21,7 +21,7 @@
         "symfony/deprecation-contracts": "^2.5|^3"
     },
     "require-dev": {
-        "doctrine/dbal": "^2.13|^3.0",
+        "doctrine/dbal": "^2.13|^3|^4",
         "predis/predis": "^1.1|^2.0"
     },
     "conflict": {