Remove no longer used annotation use statements and replace with attribute use statements

src/Bundle/ChillCalendarBundle/Entity/Calendar.php

@@ -30,7 +30,7 @@ use Doctrine\Common\Collections\Criteria;
 use Doctrine\Common\Collections\ReadableCollection;
 use Doctrine\Common\Collections\Selectable;
 use Doctrine\ORM\Mapping as ORM;
-use Symfony\Component\Serializer\Annotation as Serializer;
+use Symfony\Component\Serializer\Attribute as Serializer;
 use Symfony\Component\Validator\Constraints as Assert;
 use Symfony\Component\Validator\Constraints\NotBlank;
 use Symfony\Component\Validator\Constraints\Range;

src/Bundle/ChillCalendarBundle/Entity/CalendarRange.php

@@ -18,7 +18,7 @@ use Chill\MainBundle\Doctrine\Model\TrackUpdateTrait;
 use Chill\MainBundle\Entity\Location;
 use Chill\MainBundle\Entity\User;
 use Doctrine\ORM\Mapping as ORM;
-use Symfony\Component\Serializer\Annotation\Groups;
+use Symfony\Component\Serializer\Attribute\Groups;
 use Symfony\Component\Validator\Constraints as Assert;
 
 #[ORM\Entity]

src/Bundle/ChillCalendarBundle/Entity/Invite.php

@@ -17,7 +17,7 @@ use Chill\MainBundle\Doctrine\Model\TrackUpdateInterface;
 use Chill\MainBundle\Doctrine\Model\TrackUpdateTrait;
 use Chill\MainBundle\Entity\User;
 use Doctrine\ORM\Mapping as ORM;
-use Symfony\Component\Serializer\Annotation as Serializer;
+use Symfony\Component\Serializer\Attribute as Serializer;
 
 /**
  * An invitation for another user to a Calendar.