Merge branch '5.3' into 5.4

* 5.3:
  fix cs
  Update validators.lv.xlf
  Fix API gateway service name
  Fix CS in composer.json
  Update validators.uz.xlf
  [ExpressionLanguage] Fix LexerTest number types
  [Process] intersect with getenv() to populate default envs
  Improve CI script a bit
  Fix Loco Provider
  [Cache] fix dbindex Redis
  Fix typos in a test message
  Never rely on dynamic properties

Author: nicolas-grekas

Tests/EventDispatcherTest.php

@@ -416,6 +416,7 @@ public function __invoke()
 
 class TestEventListener
 {
+    public $name;
     public $preFooInvoked = false;
     public $postFooInvoked = false;