rename pushrefresh tag string

Author: amerjusupovic

src/Microsoft.Extensions.Configuration.AzureAppConfiguration/Constants/RequestTracingConstants.cs

@@ -33,7 +33,7 @@ internal class RequestTracingConstants
         public const string LoadBalancingEnabledTag = "LB";
         public const string SignalRUsedTag = "SignalR";
         public const string FailoverRequestTag = "Failover";
-        public const string PushRefreshUsedTag = "PushRefresh";
+        public const string PushRefreshTag = "PushRefresh";
 
         public const string FeatureFlagFilterTypeKey = "Filter";
         public const string CustomFilter = "CSTM";

src/Microsoft.Extensions.Configuration.AzureAppConfiguration/TracingUtils.cs

@@ -203,7 +203,7 @@ private static string CreateCorrelationContextHeader(RequestType requestType, Re
 
             if (requestTracingOptions.IsPushRefreshUsed)
             {
-                correlationContextTags.Add(RequestTracingConstants.PushRefreshUsedTag);
+                correlationContextTags.Add(RequestTracingConstants.PushRefreshTag);
             }
 
             var sb = new StringBuilder();