[py]: Allow creation_flags to be passed into any Service via **kwargs

Author: symonk

py/selenium/webdriver/common/service.py

@@ -65,7 +65,7 @@ def __init__(
         self.log_file = open(os.devnull, "wb") if not _HAS_NATIVE_DEVNULL and log_file == DEVNULL else log_file
         self.start_error_message = start_error_message or ""
         # Default value for every python subprocess: subprocess.Popen(..., creationflags=0)
-        self.creation_flags = 0
+        self.creation_flags = kwargs.pop("creation_flags", 0)
         self.env = env or os.environ
 
     @property