Refs #34900 -- Skipped Selenium requirement on daily builds for Python 3.13.

Selenium required trio and trio required cffi on Windows.

tests/requirements/py3.txt

@@ -14,7 +14,7 @@ pymemcache >= 3.4.0
 pywatchman; sys.platform != 'win32'
 PyYAML
 redis >= 3.4.0
-selenium >= 4.8.0
+selenium >= 4.8.0; sys.platform != 'win32' or python_version < '3.13'
 sqlparse >= 0.3.1
 tblib >= 1.5.0
 tzdata