Bump GraphQL.Client.Serializer.Newtonsoft from 5.1.1 to 6.0.0 (#49)

Author: dependabot[bot]

SimpleXamarinGraphQL.Android/SimpleXamarinGraphQL.Android.csproj

@@ -65,7 +65,7 @@
         <PackageReference Include="Polly" Version="7.2.3" />
         <PackageReference Include="modernhttpclient-updated" Version="3.4.3" />
         <PackageReference Include="Xamarin.Essentials" Version="1.7.5" />
-        <PackageReference Include="GraphQL.Client.Serializer.Newtonsoft" Version="5.1.1" />
+        <PackageReference Include="GraphQL.Client.Serializer.Newtonsoft" Version="6.0.0" />
     </ItemGroup>
     <ItemGroup>
         <Compile Include="MainActivity.cs" />

SimpleXamarinGraphQL.iOS/SimpleXamarinGraphQL.iOS.csproj

@@ -127,7 +127,7 @@
         <PackageReference Include="Polly" Version="7.2.3" />
         <PackageReference Include="modernhttpclient-updated" Version="3.4.3" />
         <PackageReference Include="Xamarin.Essentials" Version="1.7.5" />
-        <PackageReference Include="GraphQL.Client.Serializer.Newtonsoft" Version="5.1.1" />
+        <PackageReference Include="GraphQL.Client.Serializer.Newtonsoft" Version="6.0.0" />
     </ItemGroup>
     <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
     <ItemGroup>

SimpleXamarinGraphQL/SimpleXamarinGraphQL.csproj

@@ -17,7 +17,7 @@
         <PackageReference Include="Polly" Version="7.2.3" />
         <PackageReference Include="modernhttpclient-updated" Version="3.4.3" />
         <PackageReference Include="Xamarin.Essentials" Version="1.7.5" />
-        <PackageReference Include="GraphQL.Client.Serializer.Newtonsoft" Version="5.1.1" />
+        <PackageReference Include="GraphQL.Client.Serializer.Newtonsoft" Version="6.0.0" />
         <PackageReference Include="Xamarin.CommunityToolkit.Markup" Version="2.0.5" />
     </ItemGroup>
     <ItemGroup>