py-twill: updated to 3.2.1

3.2.1 (released 2023-11-23)
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* Increased the default request timeout of the twill browser to 10 seconds
  (from 5 seconds in 3.2) and added a command to change the timeout

3.2 (released 2023-11-02)
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* The supported Python versions are now 3.8 to 3.12.
* A new method 'find_links' was added to the twill browser
* Twill now uses httpx_ instead of requests_.
* WSGI apps are now supported via httpx, wsgi_intercept is not needed anymore.
* We now use 'pyproject.toml' instead of 'setup.py'.
* Type hints and code style have been improved and are checked with ruff.
* Internal code was reformatted using ruff format (compatible with black).

(adam)