Readme-renderer

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* Drop support for Python 3.8 (315)
* Require docutils 0.21.2 and higher (315)
* Remove HTML5 ``<s>`` tag from the list of allowed HTML tags (315)
* Test all supported CPython and PyPy versions in CI (315)
* Resolve Node 16 deprecation warnings in CI (309)
* Lint specific directories (312)
* Build a wheel once for all tox test environments (308)
* Lazy open output files, and always close them (314)
* Gitpod: Migrate to the Even Better TOML extension (306)
* check-manifest: Remove a now-default ``.gitpod.yml`` exclusion (307)

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* Allow HTML5 ``picture`` tag through cleaner (299)
* Test against Python 3.12 (300)

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* Migrate from ``bleach`` to ``nh3`` (295)
* Migrate from ``setup.py`` to ``pyproject.toml``

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* Allow HTML5 ``figcaption`` tag through cleaner (291)
* Test ``README.rst`` from this project (288)

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* Add CLI option to render package README. (271)
* Adapt tests to pygments 2.14.0 (272)
* Update release process to use Trusted Publishing (276)
* Replace usage of deprecated ``pkg_resources`` with ``importlib.metadata`` (281)
* Drop support for Python 3.7 (282), Test against Python 3.11 (280)

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* Allow HTML5 ``figure`` tag through cleaner (265)