Chisel

- [023b58c](https://github.com/craigahobbs/chisel/commit/023b58c) - add Python 3.13 \(really this time\)

- [e842861](https://github.com/craigahobbs/chisel/commit/e842861) - add Python 3.13, remove Python 3.8 \(end-of-life\)

- [2db4e5a](https://github.com/craigahobbs/chisel/commit/2db4e5a) - update markdown-up stub

- [d9cb8cb](https://github.com/craigahobbs/chisel/commit/d9cb8cb) - improved fix for distribution for Python 3.9

- [bdfccf2](https://github.com/craigahobbs/chisel/commit/bdfccf2) - improved fix for distribution for Python 3.9

- [9c75dce](https://github.com/craigahobbs/chisel/commit/9c75dce) - fix distribution for Python 3.9

- [03f0e0e](https://github.com/craigahobbs/chisel/commit/03f0e0e) - fix Python 3.9, remove Python 3.8