Bump System.Collections.Immutable from 9.0.7 to 9.0.8#47

dotTrench merged 1 commit intomaindotTrench/dotnet-proj-diff:mainfrom

dependabot/nuget/test/ProjectDiff.Tests/System.Collections.Immutable-9.0.8dotTrench/dotnet-proj-diff:dependabot/nuget/test/ProjectDiff.Tests/System.Collections.Immutable-9.0.8Copy head branch name to clipboard