Bump Microsoft.Extensions.DependencyInjection and Microsoft.Extensions.Logging - #2709

Dereference of a possibly null reference.

The event 'WindowsTtsService.SpeakCompleted' is never used

Field 'WindowsTtsService._isSpeaking' is never assigned to, and will always have its default value false

Calls to methods which accept CancellationToken should use TestContext.Current.CancellationToken to allow test cancellation to be more responsive. (https://xunit.net/xunit.analyzers/rules/xUnit1051)

Calls to methods which accept CancellationToken should use TestContext.Current.CancellationToken to allow test cancellation to be more responsive. (https://xunit.net/xunit.analyzers/rules/xUnit1051)

Calls to methods which accept CancellationToken should use TestContext.Current.CancellationToken to allow test cancellation to be more responsive. (https://xunit.net/xunit.analyzers/rules/xUnit1051)

Test methods should not use blocking task operations, as they can cause deadlocks. Use an async test method and await instead. (https://xunit.net/xunit.analyzers/rules/xUnit1031)

Calls to methods which accept CancellationToken should use TestContext.Current.CancellationToken to allow test cancellation to be more responsive. (https://xunit.net/xunit.analyzers/rules/xUnit1051)

The event 'FileBrowserPanelBase.FileDeleteRequested' is never used