Bump System.Text.Json from 8.0.5 to 9.0.0 in /src#561

SimonCropp merged 1 commit intomainVerifyTests/DiffEngine:mainfrom

dependabot/nuget/src/System.Text.Json-9.0.0VerifyTests/DiffEngine:dependabot/nuget/src/System.Text.Json-9.0.0Copy head branch name to clipboard