Add more fields to sys.float_info

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-09-21.01:01:54.389>
labels = ['extension-modules', '3.10']
title = 'Add more fields to sys.float_info'
updated_at = <Date 2020-09-23.01:40:17.721>
user = 'https://github.com/rhettinger'

bugs.python.org fields:

activity = <Date 2020-09-23.01:40:17.721>
actor = 'rhettinger'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Extension Modules']
creation = <Date 2020-09-21.01:01:54.389>
creator = 'rhettinger'
dependencies = []
files = []
hgrepos = []
issue_num = 41823
keywords = []
message_count = 5.0
messages = ['377237', '377256', '377284', '377341', '377353']
nosy_count = 4.0
nosy_names = ['tim.peters', 'rhettinger', 'mark.dickinson', 'corona10']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue41823'
versions = ['Python 3.10']