Bump CommunityToolkit.Mvvm from 8.4.1 to 8.4.2#132

Jack251970 merged 1 commit intodevJack251970/Math-Editor:devfrom

dependabot/nuget/Editor/CommunityToolkit.Mvvm-8.4.2Jack251970/Math-Editor:dependabot/nuget/Editor/CommunityToolkit.Mvvm-8.4.2Copy head branch name to clipboard