Update json lib

Author: twcclegg

csharp/PhoneNumbers.Extensions/PhoneNumbers.Extensions.csproj

@@ -36,7 +36,7 @@
     </ItemGroup>
 
     <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-      <PackageReference Include="System.Text.Json" Version="8.0.4" />
+      <PackageReference Include="System.Text.Json" Version="8.0.5" />
     </ItemGroup>
 
 </Project>