Add 2025 calendar year to test setup

This commit updates the `SetupStandingData` method in the
`FactSettlementsControllerTests.cs` file to include a call
to `await helper.AddCalendarYear(2025);`, allowing the
test setup to account for the calendar year 2025 in
addition to 2024.

Author: StuartFerguson

EstateReportingAPI.IntegrationTests/FactSettlementsControllerTests.cs

@@ -22,6 +22,7 @@ protected override async Task ClearStandingData() {
 
         protected override async Task SetupStandingData() {
             await helper.AddCalendarYear(2024);
+            await helper.AddCalendarYear(2025);
 
             // Estates
             await helper.AddEstate("Test Estate", "Ref1");