Bump System.Text.Json from 6.0.0 to 8.0.4 in /Sources/SampleUA510.UWP#2

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dependabot/nuget/Sources/SampleUA510.UWP/System.Text.Json-8.0.4ZeProgFactory/UnitechSample:dependabot/nuget/Sources/SampleUA510.UWP/System.Text.Json-8.0.4Copy head branch name to clipboard