Merge branch '4.4' into 5.1

* 4.4:
  CS fix
  [travis] use PHP 8.0 to patch return types and run deps=low
  Update sl_SI translations
  Don't trigger deprecation for deprecated aliases pointing to deprecated definitions
  [HttpFoundation] use atomic writes in MockFileSessionStorage
  [DI] fix param annotation
  [Config] Add \Symfony\Component\Config\Loader::load() return type
  Simplify PHP CS Fixer config
  Rename normalize param

Author: nicolas-grekas

Tests/Output/ConsoleSectionOutputTest.php

@@ -26,7 +26,7 @@ class ConsoleSectionOutputTest extends TestCase
 
     protected function setUp(): void
     {
-        $this->stream = fopen('php://memory', 'r+b', false);
+        $this->stream = fopen('php://memory', 'r+', false);
     }
 
     protected function tearDown(): void
@@ -143,7 +143,7 @@ public function testMultipleSectionsOutput()
 
     public function testClearSectionContainingQuestion()
     {
-        $inputStream = fopen('php://memory', 'r+b', false);
+        $inputStream = fopen('php://memory', 'r+', false);
         fwrite($inputStream, "Batman & Robin\n");
         rewind($inputStream);