test: stabilize career progress date-sensitive test

mydreamjob-server/src/test/java/com/mydreamjob/careerprogress/CareerProgressServiceTest.java

@@ -190,7 +190,7 @@ class CareerProgressServiceTest {
                 anyLong(), anyCollection(), anyString())).thenReturn(List.of(s1, s2));
 
         // Offer：一条 SENT 有效 + 一条 DRAFT（不应返回 DRAFT）
-        Offer sent = offer(14L, app.getId(), "SENT", "2026-09-05T23:59:59");
+        Offer sent = offer(14L, app.getId(), "SENT", LocalDateTime.now().plusDays(1).withNano(0).toString());
         when(offerRepository.findByCandidateIdAndStatusNotOrderByCreatedAtDesc(anyLong(), anyString()))
                 .thenReturn(List.of(sent));