chore(deps): update dependency system.text.json to 9.0.12

Author: renovate-bot

src/Directory.Packages.props

@@ -20,6 +20,6 @@
     <PackageVersion Include="System.Linq.Async" Version="7.0.0" />
     <PackageVersion Include="Verify.NUnit" Version="31.9.4" />
     <PackageVersion Include="Verify.Http" Version="7.5.1" />
-    <PackageVersion Include="System.Text.Json" Version="9.0.11" />
+    <PackageVersion Include="System.Text.Json" Version="9.0.12" />
   </ItemGroup>
 </Project>