Fix Google.Protobuf.WellKnownTypes.Value (#1198)

* <PackageReference Include="ProtoBufJsonConverter" Version="0.5.0-preview-01" />

* Fix Google.Protobuf.WellKnownTypes.Value

Author: StefH

src/WireMock.Net/WireMock.Net.csproj

@@ -150,7 +150,7 @@
         <PackageReference Include="GraphQL" Version="7.5.0" />
         <PackageReference Include="GraphQL.NewtonsoftJson" Version="7.5.0" />
         <PackageReference Include="MimeKitLite" Version="4.1.0.1" />
-        <PackageReference Include="ProtoBufJsonConverter" Version="0.4.0" />
+        <PackageReference Include="ProtoBufJsonConverter" Version="0.5.0" />
     </ItemGroup>
 
     <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp3.1' ">