Update Directory.Packages.props

Author: SimonCropp

src/Directory.Packages.props

@@ -8,7 +8,6 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageVersion Include="Polyfill" Version="7.4.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.141" />
-    <PackageVersion Include="System.Text.Json" Version="8.0.5" />
     <PackageVersion Include="System.Text.Json" Version="9.0.0" />
     <PackageVersion Include="Verify" Version="28.2.0" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />