scmutil: convert status data object from a tuple to an attrs (API)
We've been pushing towards the property names for a while, and the
subclassing of the tuple confuses pytype. Rather than bend over
backwards to try and annotate the tuple subclass, let's just use attrs
here.
Differential Revision: https://phab.mercurial-scm.org/D7406
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
| contrib/python-zstandard/
'''
skip-string-normalization = true
quiet = true