UnicodeDecodeError error on Windows after upgrading from 0.5.0 to 0.6.0

[staticdev]

My name has a ' on pyproject.toml see line 5:
https://github.com/staticdev/git-portfolio/blob/master/pyproject.toml

The PR to upgrade log's shows the problem:

nox > Running session tests-3.9
nox > Creating virtual environment (virtualenv) using python.exe in .nox\tests-3-9
nox > poetry build --format=wheel
nox > pip uninstall --yes file://D:/a/git-portfolio/git-portfolio/dist/git_portfolio-0.9.3-py3-none-any.whl#sha256=239968621bb1172da9e310012c62f51f342d0aea9fdb5e2463ed9cd8c868c9e1
nox > Session tests-3.9 raised exception UnicodeDecodeError('charmap', b'[tool.poetry]\nname = "git-portfolio"\nversion = "0.9.3"\ndescription = "Git Portfolio"\nauthors = ["Thiago Carvalho D\'\xc3\x81vila <thiagocavila@gmail.com>"]\nlicense = "MIT"\nreadme = "README.rst"\nhomepage = "https://github.com/staticdev/git-portfolio"\nrepository = "https://github.com/staticdev/git-portfolio"\ndocumentation = "https://git-portfolio.readthedocs.io"\nclassifiers = [\n    "Programming Language :: Python :: 3.7",\n    "Programming Language :: Python :: 3.8",\n    "Programming Language :: Python :: 3.9",\n    "License :: OSI Approved :: MIT License",\n]\n\n[tool.poetry.urls]\nChangelog = "https://github.com/staticdev/git-portfolio/releases"\n\n[tool.poetry.dependencies]\npython = "^3.7.0"\nclick = "^7.0"\ninquirer = "^2.7.0"\npyyaml = "^5.3.1"\n"github3.py" = "^1.3.0"\n\n[tool.poetry.dev-dependencies]\npytest = "^6.2.1"\ncoverage = {extras = ["toml"], version = "^5.3"}\nsafety = "^1.9.0"\nmypy = "^0.782"\ntypeguard = "^2.10.0"\nxdoctest = "^0.15.0"\nsphinx = "^3.3.1"\nsphinx-autobuild = "^2020.9.1"\npre-commit = "^2.7.1"\nflake8 = "^3.8.4"\nflake8-bandit = "^2.1.2"\nflake8-bugbear = "^20.1.4"\nflake8-docstrings = "^1.5.0"\nflake8-rst-docstrings = "^0.0.14"\npep8-naming = "^0.11.1"\ndarglint = "^1.5.5"\nreorder-python-imports = "^2.3.5"\npre-commit-hooks = "^3.3.0"\npytest_mock = "^3.3.1"\nblack = "^20.8b1"\nsphinx-click = "^2.5.0"\n\n[tool.poetry.scripts]\ngitp = "git_portfolio.__main__:main"\n\n[tool.coverage.paths]\nsource = ["src", "*/site-packages"]\n\n[tool.coverage.run]\nbranch = true\nsource = ["git_portfolio"]\n\n[tool.coverage.report]\nshow_missing = true\nfail_under = 100\n\n[build-system]\nrequires = ["poetry-core>=1.0.0"]\nbuild-backend = "poetry.core.masonry.api"\n', 116, 117, 'character maps to <undefined>')
Traceback (most recent call last):
  File "c:\hostedtoolcache\windows\python\3.9.1\x64\lib\site-packages\nox\sessions.py", line 549, in execute
    self.func(session)
  File "c:\hostedtoolcache\windows\python\3.9.1\x64\lib\site-packages\nox\_decorators.py", line 53, in __call__
    return self.func(*args, **kwargs)
  File "D:\a\git-portfolio\git-portfolio\noxfile.py", line 120, in tests
    session.install(".")
  File "c:\hostedtoolcache\windows\python\3.9.1\x64\lib\site-packages\nox_poetry\core.py", line 152, in install
    requirements = export_requirements(session)
  File "c:\hostedtoolcache\windows\python\3.9.1\x64\lib\site-packages\nox_poetry\core.py", line 49, in export_requirements
    Poetry(session).export(path)
  File "c:\hostedtoolcache\windows\python\3.9.1\x64\lib\site-packages\nox_poetry\poetry.py", line 76, in export
    *[f"--extras={extra}" for extra in self.config.extras],
  File "c:\hostedtoolcache\windows\python\3.9.1\x64\lib\site-packages\nox_poetry\poetry.py", line 61, in config
    self._config = Config(Path.cwd())
  File "c:\hostedtoolcache\windows\python\3.9.1\x64\lib\site-packages\nox_poetry\poetry.py", line 24, in __init__
    text = path.read_text()
  File "c:\hostedtoolcache\windows\python\3.9.1\x64\lib\pathlib.py", line 1256, in read_text
    return f.read()
  File "c:\hostedtoolcache\windows\python\3.9.1\x64\lib\encodings\cp1252.py", line 23, in decode
    return codecs.charmap_decode(input,self.errors,decoding_table)[0]
UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 116: character maps to <undefined>
nox > Session tests-3.9 failed.

[staticdev]

UPDATE: I found an issue I reported with exactly the same error here and it was solved here.

UPDATE 2: I created a quick-fix PR.