Add expireThreshold param in integration test

Update ApplicationRepositoryIT to pass an expireThreshold to findOverdueByUserId. The test now sets expireThreshold = now().minusDays(7) and calls the repository method with both threshold and expireThreshold to match the updated repository signature and ensure expired records are excluded.

Author: vitorhugo-java

src/test/java/com/jobtracker/integration/ApplicationRepositoryIT.java

@@ -86,7 +86,8 @@ void findOverdueByUserId_shouldReturnDmRemindersAfter6Hours() {
         applicationRepository.save(app);
 
         var threshold = LocalDateTime.now().plusHours(1);
-        var results = applicationRepository.findOverdueByUserId(user.getId(), threshold);
+        var expireThreshold = LocalDateTime.now().minusDays(7);
+        var results = applicationRepository.findOverdueByUserId(user.getId(), threshold, expireThreshold);
         assertThat(results).hasSize(1);
         assertThat(results.get(0).getVacancyName()).isEqualTo("Overdue");
     }