fix: build and lots of obsolete warnings

Core/Handler/CommonHandler.cs

@@ -26,8 +26,8 @@ public abstract class CommonHandler : BotEventHandler
 
     protected virtual async Task<Message> Reply(string text)
     {
-        return await Bot.SendTextMessageAsync(Chat.Id, text,
-            replyToMessageId: Message?.MessageId, parseMode: ParseMode.Html);
+        return await Bot.SendMessage(Chat.Id, text,
+            replyParameters: Message?.MessageId, parseMode: ParseMode.Html);
     }
 
     protected async Task<bool> CanPunish()
@@ -38,14 +38,14 @@ public abstract class CommonHandler : BotEventHandler
 
     protected async Task BanMember(long userId, DateTime banEnd)
     {
-        await Bot.RestrictChatMemberAsync(
+        await Bot.RestrictChatMember(
             Chat.Id,
             userId,
             new ChatPermissions
             {
                 CanSendMessages = false
             },
-            banEnd
+            untilDate: banEnd
         );
     }