Added .NET 8 target (#238)

* Updated projects to target net8

* Added new interactive server project and updated CI bits

* Added nullable reference types

#216 - Added public setter for System.Text.Json JsonSerializerOptions (…

…#217)

Removes .NET 5 target and adds .NET 7 (#193)

* Removed .NET 5 target and added .NET 7

* Updated test project to target .NET 7

Removes support for NetStandard (#176)

* Remvoed support for NetStandard

* Updated other bUnit versions

Updated bUnit version in sample project

Merge branch 'main' of https://github.com/Blazored/LocalStorage into …

…main

Merge branch 'main' of https://github.com/Blazored/LocalStorage into …

…main

Updated nuget keys

Add CancellationToken support to Async methods (#146)

Added new SetItemAsString[Async] methods (#142)