chore: upgrade phpunit to 12.5

tests/Service/Cron/SeasonTaskReminderServiceTest.php

@@ -17,6 +17,7 @@ use App\Repository\SeasonAssignmentTaskRepository;
 use App\Service\Cron\SeasonTaskReminderService;
 use App\Service\Season\SeasonAssignmentLabeler;
 use App\Service\Season\SeasonTaskDeadlineResolver;
+use PHPUnit\Framework\Attributes\AllowMockObjectsWithoutExpectations;
 use PHPUnit\Framework\MockObject\MockObject;
 use PHPUnit\Framework\TestCase;
 use Psr\Log\NullLogger;
@@ -26,6 +27,7 @@ use Psr\Log\NullLogger;
  * anyone twice. That property, and what does and does not silence a reminder, is what is pinned
  * here - the queries behind them are asserted in the repository test.
  */
+#[AllowMockObjectsWithoutExpectations]
 class SeasonTaskReminderServiceTest extends TestCase
 {
     private SeasonAssignmentTaskRepository&MockObject $repository;