Register .whl as a unpack format in shutil unpack

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-03-04.10:24:15.384>
labels = ['type-feature', 'library', '3.11']
title = 'Register .whl as a unpack format in shutil unpack'
updated_at = <Date 2021-10-25.23:43:48.319>
user = 'https://github.com/chimeno'

bugs.python.org fields:

activity = <Date 2021-10-25.23:43:48.319>
actor = 'pdxjohnny'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2020-03-04.10:24:15.384>
creator = 'dchimeno'
dependencies = []
files = []
hgrepos = []
issue_num = 39846
keywords = []
message_count = 3.0
messages = ['363341', '396800', '405008']
nosy_count = 3.0
nosy_names = ['dchimeno', 'pdxjohnny', 'domdfcoding']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue39846'
versions = ['Python 3.11']