DX: apply rector rules up to php8.0

src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod/Resource.php

@@ -94,10 +94,9 @@ class Resource
     }
 
     /**
-     * @return Person|ThirdParty
      * @Groups({"read"})
      */
-    public function getResource()
+    public function getResource(): \Chill\PersonBundle\Entity\Person|\Chill\ThirdPartyBundle\Entity\ThirdParty
     {
         return $this->person ?? $this->thirdParty;
     }