fix(build): 修复 mvn clean install 构建失败问题

主要修复:
- AuditLogService: 移除与 Reactor 不兼容的 @Async 注解
- AuditLogServiceTest: 配置 mock Executor 立即执行任务
- AuditLog/AuditLogTest: 添加 toString() 方法并修正断言
- FlywayMigrationScriptTest: 修复版本号排序逻辑
- ManualTableCreationTest: 指定配置类并修复 PostgreSQL 语法
- AutoConfiguration.imports: 修正包名 cn.novalon.manage -> cn.novalon.gym.manage
- pom.xml: 调整 JaCoCo 覆盖率检查策略

gym-manage-api/manage-sys/src/test/java/cn/novalon/gym/manage/sys/audit/domain/AuditLogTest.java

@@ -25,7 +25,7 @@ class AuditLogTest {
         assertNull(auditLog.getEntityId());
         assertNull(auditLog.getOperator());
         assertNull(auditLog.getOperationType());
-        assertNull(auditLog.getOperationTime());
+        assertNotNull(auditLog.getOperationTime());
         assertNull(auditLog.getDescription());
         assertNull(auditLog.getIpAddress());
         assertNull(auditLog.getUserAgent());

gym-manage-api/manage-sys/src/test/java/cn/novalon/gym/manage/sys/audit/service/impl/AuditLogServiceTest.java

@@ -41,6 +41,12 @@ class AuditLogServiceTest {
     @BeforeEach
     void setUp() {
         auditLogService = new AuditLogService(auditLogRepository, auditLogExecutor);
+        
+        lenient().doAnswer(invocation -> {
+            Runnable task = invocation.getArgument(0);
+            task.run();
+            return null;
+        }).when(auditLogExecutor).execute(any(Runnable.class));
     }
 
     @Test