Merge branch '5.4' into 6.0

* 5.4:
  More return type fixes
  [EventDispatcher] fix getSubscribedEvents() event yielding instead or returning array
  Update Tagalog translations

Author: nicolas-grekas

Tests/LockTest.php

@@ -456,7 +456,7 @@ public function delete(Key $key)
                 unset($this->keys[spl_object_hash($key)]);
             }
 
-            public function exists(Key $key)
+            public function exists(Key $key): bool
             {
                 return isset($this->keys[spl_object_hash($key)]);
             }
@@ -502,7 +502,7 @@ public function delete(Key $key)
                 unset($this->keys[spl_object_hash($key)]);
             }
 
-            public function exists(Key $key)
+            public function exists(Key $key): bool
             {
                 return isset($this->keys[spl_object_hash($key)]);
             }