Adding an additional warning message

Author: StanleyGoldman

src/GitHub.Api/Git/Repository.cs

@@ -206,6 +206,8 @@ private void CacheHasBeenInvalidated(CacheType cacheType)
             }
 
             Func<Exception, bool> catchHandler = (ex) => {
+                Logger.Warning("Error updating CacheType:{0}", cacheType);
+
                 var managedCache = cacheContainer.GetCache(cacheType);
                 managedCache.CancelInvalidation();