v3.6.1

3.4.0: Adapted tests for Windows 11 (Notepad is now UWP, used Wordpad for classic tests), fixed window detection in UWP, added MainWindow control type, introduced DPI correction
3.5.0: Removed deprecated functions, removed .NET 4.8 support, moved to .NET 8, latest C#, Coverlet 6, MSTest 3.5.2, .NET Test 17, fixed static analysis findings, fixed Control.FindControl with main window, increased coverage to 96%
3.5.1: Wordpad references removed as it is no longer part of Windows 11
3.5.2: Fixed defect in Control.FindControl with main window, fixed Calculator liters->litres. Snapshot still failing.
3.6.0: Updated ImageHandler to 4.0.0, fixed delay in capturing snapshots, made some tests more robust, introduced BringWindowToTop, reverted Calculator litres->liters
3.6.1: Fixed static analysis findings, relaxed similarity check to make more robust against small rendering differences.