1.2.0

This is a minor release incorporating a number of bugfixes/improvements in
libsemigroups. Support for HPCombi transformation types is also added for the
first time!

• Drop support for Python 3.9 support Python 3.14 by @Joseph-Edwards in #335
• Remove Union by @james-d-mitchell in #339
• Import file modules in __init__ by @james-d-mitchell in #338
• Sync aho corasick by @james-d-mitchell in #340
• konieczny: add init mem fn by @james-d-mitchell in #349
• word-graph: fix follow_path return type by @james-d-mitchell in #348
• paths: add helpers by @james-d-mitchell in #350
• Sync Forest and its helpers with recent changes in libsemigroups_ by @james-d-mitchell in #347
• Sync presentation by @james-d-mitchell in #351
• Sync examples by @james-d-mitchell in #353
• Sync to<Presentation> upstream enhancements by @jswent in #358
• hpcombi: support Vect16 + PTransf16 + subclasses by @james-d-mitchell in #355
• paths: update for fixes in libsemigroups_ by @james-d-mitchell in #363

New Contributors

• @jswent made their first contribution in #359