Update dependency Octokit to v0.35.0 (#928)

Author: renovate[bot]

webhooks/React.Site.Hooks.csproj

@@ -4,7 +4,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="1.0.29" />
-    <PackageReference Include="Octokit" Version="0.34.0" />
+    <PackageReference Include="Octokit" Version="0.35.0" />
   </ItemGroup>
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />