Move documentation for typed generic forms of standard collections to collections.abc

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2021-10-03.13:12:33.140>
labels = ['3.11', 'type-feature', 'docs']
title = 'Move documentation for typed generic forms of standard collections to collections.abc'
updated_at = <Date 2021-10-08.20:33:32.869>
user = 'https://github.com/pxeger'

bugs.python.org fields:

activity = <Date 2021-10-08.20:33:32.869>
actor = 'terry.reedy'
assignee = 'docs@python'
closed = False
closed_date = None
closer = None
components = ['Documentation']
creation = <Date 2021-10-03.13:12:33.140>
creator = 'pxeger'
dependencies = []
files = []
hgrepos = []
issue_num = 45352
keywords = []
message_count = 6.0
messages = ['403085', '403092', '403104', '403107', '403135', '403144']
nosy_count = 6.0
nosy_names = ['gvanrossum', 'rhettinger', 'stutzbach', 'docs@python', 'pxeger', 'kj']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue45352'
versions = ['Python 3.11']