chore: Update Telegram bot token configuration key

Author: bvdcode

Sources/TelegramBot/Builders/BotBuilder.cs

@@ -93,8 +93,8 @@ public BotBuilder UseApiKey(Action<TelegramApiKeyBuilder> value)
             }
             if (builder.UseConfiguration)
             {
-                _token = Configuration["TelegramApiKey"]
-                    ?? throw new ArgumentNullException("TelegramApiKey", "The Telegram bot token is not set in the configuration.");
+                _token = Configuration["TelegramBotToken"]
+                    ?? throw new ArgumentNullException("TelegramBotToken", "The Telegram bot token is not set in the configuration.");
             }
             return this;
         }
@@ -107,7 +107,7 @@ public IBot Build()
         {
             if (string.IsNullOrWhiteSpace(_token))
             {
-                throw new ArgumentNullException("TelegramApiKey", "The Telegram bot token is not set.");
+                throw new ArgumentNullException("TelegramBotToken", "The Telegram bot token is not set.");
             }
             TelegramBotClientOptions options = new TelegramBotClientOptions(_token, _baseApiUrl);
             TelegramBotClient client = new TelegramBotClient(options);

Sources/TelegramBot/Builders/TelegramApiKeyBuilder.cs

@@ -13,7 +13,7 @@ public class TelegramApiKeyBuilder
         internal bool UseConfiguration { get; private set; }
 
         /// <summary>
-        /// Use the configuration value 'TelegramApiKey' as the API key.
+        /// Use the configuration value 'TelegramBotToken' as the API key.
         /// </summary>
         public void FromConfiguration()
         {