Z3c.dependencychecker

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- Nothing changed yet.

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- Use `pathlib.Path` everywhere to make it easier to reason about
paths. Note that python 3.10 somehow manages to complain about
``AttributeError: 'PosixPath' object has no attribute
'startswith'``, even though 3.8/.9/.11/.12 and pypy work fine. So if
you get that error, use a different python version...
[gforcada]

- Django settings: look at ``MIDDLEWARE`` and so in addition to ``INSTALLED_APPS``, this
helps to detect more required packages.

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- Refactored other `modules.py` classes that needed the same fix from previous release.
[gforcada]

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- Ignore any dot leading folder (like `.tox` or `.git`) while scanning for files.
[gforcada]

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- Add support for distributions using implicit namespaces (PEP 420).
[gforcada]

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- Drop python 3.7 support, as our dependencies require 3.8 at least.
[gforcada]

- Add python 3.12 support.
[gforcada]