Simplify Solution to --Python command-line flag precedence

* Update virtualenv/discovery/builtin.py - simplify solution by operating on the sequence directly without creating a deque

src/virtualenv/discovery/builtin.py

@@ -3,7 +3,6 @@
 import logging
 import os
 import sys
-from collections import deque
 from contextlib import suppress
 from pathlib import Path
 from typing import TYPE_CHECKING
@@ -23,16 +22,15 @@
 
 
 class Builtin(Discover):
-    python_spec: Sequence[str] | deque[str]
+    python_spec: Sequence[str]
     app_data: AppData
     try_first_with: Sequence[str]
 
     def __init__(self, options) -> None:
         super().__init__(options)
         self.python_spec = options.python or [sys.executable]
         if self._env.get("VIRTUALENV_PYTHON"):
-            self.python_spec = deque(self.python_spec)
-            self.python_spec.rotate(-1)
+            self.python_spec = self.python_spec[1:] + self.python_spec[:1]  # Rotate the list
         self.app_data = options.app_data
         self.try_first_with = options.try_first_with