netrc module looks for .netrc even on Windows where the convention is _netrc

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2021-04-29.20:02:55.304>
labels = ['type-feature', 'library', '3.10', '3.11']
title = 'netrc module looks for .netrc even on Windows where the convention is _netrc'
updated_at = <Date 2021-04-29.21:42:22.735>
user = 'https://github.com/jheiselman'

bugs.python.org fields:

activity = <Date 2021-04-29.21:42:22.735>
actor = 'jheiselman'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2021-04-29.20:02:55.304>
creator = 'jheiselman'
dependencies = []
files = []
hgrepos = []
issue_num = 43980
keywords = ['patch']
message_count = 4.0
messages = ['392348', '392349', '392355', '392356']
nosy_count = 2.0
nosy_names = ['steven.daprano', 'jheiselman']
pr_nums = ['25732']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue43980'
versions = ['Python 3.10', 'Python 3.11']