merge-actions: make merge action a full featured object
This open the way for having "smarter" value as action, making the usage code
simpler and more flexible.
We have to explicitly use __bytes__ call in a couple of place because Python2…
Differential Revision: https://phab.mercurial-scm.org/D12114
[build-system]
requires = ["setuptools", "wheel"]
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true