Merge branch '5.2' into 5.3

* 5.2:
  Remove duplicated array entry
  qa: add missing type-hints to workflow `Transition`
  Declare returned type.

Author: derrabus

Transition.php

@@ -32,16 +32,25 @@ public function __construct(string $name, $froms, $tos)
         $this->tos = (array) $tos;
     }
 
+    /**
+     * @return string
+     */
     public function getName()
     {
         return $this->name;
     }
 
+    /**
+     * @return string[]
+     */
     public function getFroms()
     {
         return $this->froms;
     }
 
+    /**
+     * @return string[]
+     */
     public function getTos()
     {
         return $this->tos;