Fix incorrect Select max option condition

discord/ui/select.py

@@ -499,7 +499,7 @@ class Select(BaseSelect[V]):
             The number of options exceeds 25.
         """
 
-        if len(self._underlying.options) > 25:
+        if len(self._underlying.options) >= 25:
             raise ValueError('maximum number of options already provided')
 
         self._underlying.options.append(option)