correct virtualenv bin dir under mingw python

nox/virtualenv.py

@@ -24,6 +24,7 @@
 import shutil
 import subprocess
 import sys
+import sysconfig
 from pathlib import Path
 from socket import gethostbyname
 from typing import TYPE_CHECKING, Any, ClassVar
@@ -50,6 +51,7 @@
     ]
 )
 _SYSTEM = platform.system()
+_IS_MINGW = sysconfig.get_platform().startswith("mingw")
 
 
 def find_uv() -> tuple[bool, str]:
@@ -605,7 +607,7 @@ def _resolved_interpreter(self) -> str:
     @property
     def bin_paths(self) -> list[str]:
         """Returns the location of the virtualenv's bin folder."""
-        if _SYSTEM == "Windows":
+        if _SYSTEM == "Windows" and not _IS_MINGW:
             return [os.path.join(self.location, "Scripts")]
         return [os.path.join(self.location, "bin")]