Update Octokit 0.51.0 -> 10.0.0

Old Octokit versions used int rather than long for Issue.Id;
which causes overflow error when parsing responses from the GitHub Issues API.
See octokit/octokit.net#2890

ChobbyLauncher/ChobbyLauncher.csproj

@@ -162,7 +162,7 @@
     <PackageReference Include="NeoLua" Version="1.3.14" />
     <PackageReference Include="Newtonsoft.Json" Version="10.0.2" />
     <PackageReference Include="NLog" Version="4.7.15" />
-    <PackageReference Include="Octokit" Version="0.51.0" />
+    <PackageReference Include="Octokit" Version="10.0.0" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Target Name="BeforeBuild">