Merge branch '7.4' into 8.0

* 7.4:
  [DependencyInjection][Routing] Fix nested config imports when returning PHP arrays
  fix compatibility with Relay 0.12.1
  [TypeInfo] Fix resolving use statements with line breaks
  [FrameworkBundle] Fix normalization of enums in workflow transitions
  Add missing return type for docblock Closure
  don't use a fixed date fixture when assertions depend on relative times
  [FrameworkBundle] Fix secrets:encrypt-from-local
  [Security] Add support for `Sec-Fetch-Site` to `SameOriginCsrfTokenManager`
  [Console] Optimize mostRecentlyEnteredValue() method
  [HttpClient] Add QUERY to the list of retriable HTTP methods
  Update regular expression in URL validator
  [AssetMapper] Fix parsing @import that don't use url()
  [Messenger] Add retry delay on amazon sqs
  [Serializer] CsvEncoder to escape values starting with line feed when escape formulas is enabled

Author: nicolas-grekas

Tests/Fixtures/DummyWithUses.php

@@ -13,6 +13,7 @@
 
 use Symfony\Component\TypeInfo\Type;
 use \DateTimeInterface;
+
 use \DateTimeImmutable as DateTime;
 
 final class DummyWithUses

TypeContext/TypeContextFactory.php

@@ -160,7 +160,7 @@ private function collectUses(\ReflectionClass $reflection): array
             return [];
         }
 
-        if (false === $lines = @file($fileName, \FILE_IGNORE_NEW_LINES)) {
+        if (false === $lines = @file($fileName, \FILE_IGNORE_NEW_LINES | \FILE_SKIP_EMPTY_LINES)) {
             throw new RuntimeException(\sprintf('Unable to read file "%s".', $fileName));
         }