Bump System.Text.Json from 7.0.3 to 8.0.0

Bumps [System.Text.Json](https://github.com/dotnet/runtime) from 7.0.3 to 8.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v7.0.3...v8.0.0)

---
updated-dependencies:
- dependency-name: System.Text.Json
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -535,7 +535,7 @@
 		<PackageVersion Include="System.Text.Encodings.Web" Version="8.0.0" />
 	</ItemGroup>
 	<ItemGroup>
-		<PackageVersion Include="System.Text.Json" Version="7.0.3" />
+		<PackageVersion Include="System.Text.Json" Version="8.0.0" />
 	</ItemGroup>
 	<ItemGroup>
 		<PackageVersion Include="System.Net.Http.Json" Version="8.0.0" />