Support non-standard executables in venv

GitHub fields:

assignee = 'https://github.com/zooba'
closed_at = None
created_at = <Date 2021-10-08.00:09:01.629>
labels = ['type-feature', 'OS-windows', '3.11']
title = 'Support non-standard executables in venv'
updated_at = <Date 2021-10-08.00:14:23.708>
user = 'https://github.com/zooba'

bugs.python.org fields:

activity = <Date 2021-10-08.00:14:23.708>
actor = 'steve.dower'
assignee = 'steve.dower'
closed = False
closed_date = None
closer = None
components = ['Windows']
creation = <Date 2021-10-08.00:09:01.629>
creator = 'steve.dower'
dependencies = []
files = []
hgrepos = []
issue_num = 45409
keywords = ['patch']
message_count = 2.0
messages = ['403450', '403451']
nosy_count = 5.0
nosy_names = ['paul.moore', 'vinay.sajip', 'tim.golden', 'zach.ware', 'steve.dower']
pr_nums = ['28817']
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue45409'
versions = ['Python 3.11']