Update dependency System.Text.Json to 9.0.8 (#103)

Co-authored-by: Renovate Bot <renovate@whitesourcesoftware.com>

Author: devlead

src/Directory.Packages.props

@@ -18,7 +18,7 @@
     <PackageVersion Include="NUnit.Analyzers" Version="4.9.2" />
     <PackageVersion Include="NUnit3TestAdapter" Version="5.0.0" />
     <PackageVersion Include="System.Linq.Async" Version="6.0.3" />
-    <PackageVersion Include="System.Text.Json" Version="9.0.7" />
+    <PackageVersion Include="System.Text.Json" Version="9.0.8" />
     <PackageVersion Include="Verify.NUnit" Version="30.5.0" />
     <PackageVersion Include="Verify.Http" Version="7.0.0" />
   </ItemGroup>