Merge branch '5.4' into 6.0

* 5.4:
  [Cache] Add missing return type
  [5.2] Add missing `@return` annotations
  [4.4] Add missing `@return` annotations
  Handle lock with long key
  #42227 update phpdoc to recommend createIndex over ensureIndex

Author: nicolas-grekas

OptionsResolver.php

@@ -1191,6 +1191,8 @@ public function offsetExists(mixed $option)
     /**
      * Not supported.
      *
+     * @return void
+     *
      * @throws AccessException
      */
     public function offsetSet(mixed $option, mixed $value)
@@ -1201,6 +1203,8 @@ public function offsetSet(mixed $option, mixed $value)
     /**
      * Not supported.
      *
+     * @return void
+     *
      * @throws AccessException
      */
     public function offsetUnset(mixed $option)