Add CleanOldLockCronJob service and corresponding test suite

- Introduced `CleanOldLockCronJob` to handle scheduled cleaning of old locks.
- Implemented tests in `CleanOldLockCronJobTest` to verify behavior, including conditions for execution based on elapsed time.
- Utilized `MockClock` for precise time-based testing scenarios.

src/Bundle/ChillDocStoreBundle/Service/Lock/CleanOldLockCronJob.php

@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\DocStoreBundle\Service\Lock;
+
+use Chill\MainBundle\Cron\CronJobInterface;
+use Chill\MainBundle\Entity\CronJobExecution;
+use Symfony\Component\Clock\ClockInterface;
+
+final readonly class CleanOldLockCronJob implements CronJobInterface
+{
+    private const KEY = 'clean-old-stored-object-lock';
+
+    public function __construct(private CleanOldLock $cleanOldLock, private ClockInterface $clock) {}
+
+    public function canRun(?CronJobExecution $cronJobExecution): bool
+    {
+        if (null === $cronJobExecution) {
+            return true;
+        }
+
+        return $this->clock->now() > $cronJobExecution->getLastStart()->add(new \DateInterval('PT12H'));
+    }
+
+    public function getKey(): string
+    {
+        return self::KEY;
+    }
+
+    public function run(array $lastExecutionData): ?array
+    {
+        ($this->cleanOldLock)();
+
+        return [];
+    }
+}