Validate-pyproject

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- Improve error message for invalid replacements in the ``pre_compile`` CLI, 71
- Allow package to be build from git archive, 53
- Improve error message for invalid replacements in the ``pre_compile`` CLI, 71
- Error-out when extra keys are added to ``project.authors/maintainers``, 82
- De-vendor ``fastjsonschema``, 83

==============

- Ensure ``LICENSE.txt`` is added to wheel.

============

- Add ``NOTICE.txt`` to ``license_files``, 58
- Use default SSL context when downloading classifiers from PyPI, 57
- Remove ``setup.py``, 52
- Explicitly limit oldest supported Python version
- Replace usage of ``cgi.parse_header`` with ``email.message.Message``

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- Use ``tomllib`` from the standard library in Python 3.11+, 42

=============

- Workaround typecheck inconsistencies between different Python versions
- Publish :pep:`561` type hints, 43

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- New :pypi:`pre-commit` hook, 40
- Allow multiple TOML files to be validated at once via **CLI**
(*no changes regarding the Python API*).