py-html2text: update to 2024.2.25. Changes:

* Fix #332: Insert at most one space for multiple emphasis
* Feature #318: Make padded tables more similar to pandoc's pipe_tables.
* Add support for Python 3.9.
* Fix extra line breaks inside html link text (between '[' and ']')
* Fix #344: indent ``<ul>`` inside ``<ol>`` three spaces instead of two
  to comply with CommonMark, GFM, etc.
* Fix #324: unnecessary spaces around ``<b>``, ``<em>``, and ``strike`` tags.
* Don't wrap tables by default and add a ``--wrap-tables`` config option.
* Feature #198: Ignore ``<p>`` tags inside table rows.
* Don't wrap tables by default and add a ``--wrap-tables`` config option
* Remove support for Python ≤ 3.5. Now requires Python 3.6+.
* Support for Python 3.10+.
* Fix #320 padding empty tables and tables with no ``</tr>`` tags.
* Add ``ignore_mailto_links`` config option to ignore ``mailto:``
  style links.
* Feature #407: Support the superscript and subscript tags.
* Fix #373: ``\n`` inside text of a Markdown link.
* Feature #406: Improve support for null atttibute values.

(schmonz)