chore(deps): update dependency system.text.json to v6.0.8

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
System.Text.Json (source)	nuget	patch	6.0.7 -> 6.0.8

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Release Notes

dotnet/runtime (System.Text.Json)

### [`v6.0.8`](https://togithub.com/dotnet/runtime/releases/tag/v6.0.8): .NET 6.0.8 [Release](https://togithub.com/dotnet/core/tree/v6.0.8)

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Configuration

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