Add '-d $fd' option to trace module, akin to bash -x feature

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2022-02-13.21:39:31.761>
labels = ['type-feature', 'library', '3.11']
title = "Add '-d $fd' option to trace module, akin to bash -x feature"
updated_at = <Date 2022-02-13.22:23:56.114>
user = 'https://github.com/PenelopeFudd'

bugs.python.org fields:

activity = <Date 2022-02-13.22:23:56.114>
actor = 'PenelopeFudd'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2022-02-13.21:39:31.761>
creator = 'PenelopeFudd'
dependencies = []
files = []
hgrepos = []
issue_num = 46742
keywords = ['patch']
message_count = 1.0
messages = ['413197']
nosy_count = 1.0
nosy_names = ['PenelopeFudd']
pr_nums = ['31319']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue46742'
versions = ['Python 3.11']