[feat]: Adds GraphQL rate limit property to the rate limit client

add in graphql rate limit

Octokit/Models/Response/ResourceRateLimit.cs

@@ -8,17 +8,20 @@ namespace Octokit
     {
         public ResourceRateLimit() { }
 
-        public ResourceRateLimit(RateLimit core, RateLimit search)
+        public ResourceRateLimit(RateLimit core, RateLimit search, RateLimit graphQL)
         {
             Ensure.ArgumentNotNull(core, nameof(core));
             Ensure.ArgumentNotNull(search, nameof(search));
+            Ensure.ArgumentNotNull(graphQL, nameof(graphQL));
 
             Core = core;
             Search = search;
+            Graphql = graphQL;
         }
 
+
         /// <summary>
-        /// Rate limits for core API (rate limit for everything except Search API)
+        /// Rate limits for core API
         /// </summary>
         public RateLimit Core { get; private set; }
 
@@ -27,11 +30,19 @@ namespace Octokit
         /// </summary>
         public RateLimit Search { get; private set; }
 
+        /// <summary>
+        /// Rate Limits for GraphQL API
+        /// </summary>
+        public RateLimit Graphql { get; private set; }
+
+
+
         internal string DebuggerDisplay
         {
             get
             {
-                return string.Format(CultureInfo.InvariantCulture, "Core: {0}; Search: {1} ", Core.DebuggerDisplay, Search.DebuggerDisplay);
+                return string.Format(CultureInfo.InvariantCulture, "Core: {0}; Search: {1}; GraphQL: {2} ", 
+                    Core.DebuggerDisplay, Search.DebuggerDisplay, Graphql.DebuggerDisplay);
             }
         }
     }