Python-simpleconf

- 📌 Use tomllib for python3.11, tomli when rtoml is not available (https://github.com/pwwang/datar/issues/180)
- 💚 Add windows to CI

**Full Changelog**: https://github.com/pwwang/python-simpleconf/compare/0.5.9...0.6.0

- ⬆️ Bump diot to 0.2.1

**Full Changelog**: https://github.com/pwwang/python-simpleconf/compare/0.5.8...0.5.9

- ⬆️ Upgrade deps
- ⬇️ Keep rtoml 0.8 because of samuelcolvin/rtoml57
- ⬆️ Bump iniconfig to 2.0
- ⬆️ Bump diot to 0.2

**Full Changelog**: https://github.com/pwwang/python-simpleconf/compare/0.5.7...0.5.8

- 🐛 Use static import for loaders so that freezing like cx_freeze works

**Full Changelog**: https://github.com/pwwang/python-simpleconf/compare/0.5.6...0.5.7

- ✨ Add load_one() to load only one config a time with a specified loader

**Full Changelog**: https://github.com/pwwang/python-simpleconf/compare/0.5.5...0.5.6

- ⬆️ Update rtoml to v0.8