bpo-44572: On Windows, disconnect STDIN in platform._syscmd_ver() to prevent erroneous STDIN consumption (GH-27092)

(cherry picked from commit 0ee0a740e1)

Co-authored-by: Konstantin-Glukhov <glukhov.k@gmail.com>

Lib/platform.py

@@ -280,6 +280,7 @@ def _syscmd_ver(system='', release='', version='',
     for cmd in ('ver', 'command /c ver', 'cmd /c ver'):
         try:
             info = subprocess.check_output(cmd,
+                                           stdin=subprocess.DEVNULL,
                                            stderr=subprocess.DEVNULL,
                                            text=True,
                                            shell=True)

Misc/NEWS.d/next/Windows/2021-07-13-15-32-49.bpo-44572.gXvhDc.rst

@@ -0,0 +1 @@
+Avoid consuming standard input in the :mod:`platform` module