do not update alias check progress on each iteration

main.py

@@ -315,7 +315,10 @@ async def check_aliases(msg: Message):
             if replacements := await e621.get_tag_aliases(subtag):
                 lines.append(f'- {subtag} -> {replacements[0]}, (<code>{sub}</code>)')
         progress += 1
-        await send_progress()
+        if progress % 20 == 0:
+            await send_progress()
+
+    await send_progress()
 
 
 @dp.message(filters.Command('update'), ChatFilter)