Add missing return types

This will avoid deprecation messages

src/Bundle/ChillPersonBundle/AccompanyingPeriod/Events/UserRefEventSubscriber.php

@@ -25,7 +25,7 @@ class UserRefEventSubscriber implements EventSubscriberInterface
 {
     public function __construct(private readonly Security $security, private readonly TranslatorInterface $translator, private readonly \Twig\Environment $engine, private readonly NotificationPersisterInterface $notificationPersister) {}
 
-    public static function getSubscribedEvents()
+    public static function getSubscribedEvents(): array
     {
         return [
             'workflow.accompanying_period_lifecycle.entered' => [

src/Bundle/ChillPersonBundle/Security/Authorization/AccompanyingPeriodVoter.php

@@ -147,7 +147,7 @@ class AccompanyingPeriodVoter extends AbstractChillVoter implements ProvideRoleH
         return [];
     }
 
-    protected function supports($attribute, $subject)
+    protected function supports($attribute, $subject): bool
     {
         return $this->voterHelper->supports($attribute, $subject);
     }

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

@@ -18,7 +18,7 @@ class AccompanyingPeriodValidity extends Constraint
 {
     public $messageSocialIssueCannotBeDeleted = 'The social %name% issue cannot be deleted because it is associated with an activity or an action';
 
-    public function getTargets()
+    public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
     }

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

@@ -18,7 +18,7 @@ class ConfidentialCourseMustHaveReferrer extends Constraint
 {
     public string $message = 'A confidential parcours must have a referrer';
 
-    public function getTargets()
+    public function getTargets(): array
     {
         return [self::CLASS_CONSTRAINT];
     }

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

@@ -20,7 +20,7 @@ class LocationValidity extends Constraint
 
     public $messagePersonLocatedMustBeAssociated = "The person where the course is located must be associated to the course. Change course's location before removing the person.";
 
-    public function getTargets()
+    public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
     }

src/Bundle/ChillPersonBundle/Validator/Constraints/Household/MaxHolder.php

@@ -20,7 +20,7 @@ class MaxHolder extends Constraint
 
     public $messageInfinity = 'household.max_holder_overflowed_infinity';
 
-    public function getTargets()
+    public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
     }