added new lines to the end of the files

application/src/test/java/org/thingsboard/server/controller/TrendzControllerTest.java

@@ -60,4 +60,4 @@ public class TrendzControllerTest extends AbstractControllerTest {
         assertThat(fetchedTrendzSettings).isNotNull();
     }
 
-}
+}

common/dao-api/src/main/java/org/thingsboard/server/dao/trendz/TrendzSettingsService.java

@@ -24,4 +24,4 @@ public interface TrendzSettingsService {
 
     TrendzSettings findTrendzSettings(TenantId tenantId);
 
-}
+}