DX: rector rules upt to PHP 74

src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/AccompanyingPeriodValidityValidator.php

@@ -74,9 +74,7 @@ class AccompanyingPeriodValidityValidator extends ConstraintValidator
             $periodIssuesWithAncestors = array_merge(
                 $periodIssuesWithAncestors,
                 array_map(
-                    static function (SocialIssue $si) {
-                        return spl_object_hash($si);
-                    },
+                    static fn(SocialIssue $si) => spl_object_hash($si),
                     $si->getAncestors(true)
                 )
             );