v3.9.0 (not on pypi)

Major

• Remove support for py38 and enable py312 testing (#1886) @ssbarnea

Enhancements

• Add pin/unpin & pinned_comments (#1888) @marci4
• migrate setup.cfg to pyproject.toml (#1776) @deronnax

Bugfixes

• Remove pillow as a dependency (#1891) @ssbarnea
• fix(parse-errors): ensure if block execution (#1854) @kmosti
• Fix docs jobs (#1884) @ssbarnea
• Adopt tox workflow using coactions/dynamic-matrix (#1883) @ssbarnea
• Fix several bugs reported by linters (#1882) @ssbarnea

Other

• Provide overload type hints for search_issues variants (#1861) @Stealthii