Pandas-categorical

Added
* Support python 3.12 by loskost in https://github.com/loskost/pandas-categorical/pull/22
* Support python 3.13 by loskost in https://github.com/loskost/pandas-categorical/pull/24

Other
* Unittest to pytest by loskost in https://github.com/loskost/pandas-categorical/pull/21
* Pin ubuntu version for testing by loskost in https://github.com/loskost/pandas-categorical/pull/23


**Full Changelog**: https://github.com/loskost/pandas-categorical/compare/1.1.0...1.2.0

Added
* The replacement of ordered ones with unordered ones is supported by loskost in https://github.com/loskost/pandas-categorical/pull/17

Other
* Drop misprint in readme by loskost in https://github.com/loskost/pandas-categorical/pull/12
* Add notebook with examples by loskost in https://github.com/loskost/pandas-categorical/pull/14
* Refactoring by loskost in https://github.com/loskost/pandas-categorical/pull/15
* Update readme by loskost in https://github.com/loskost/pandas-categorical/pull/16


**Full Changelog**: https://github.com/loskost/pandas-categorical/compare/1.0.1...1.1.0

fix:
- remove misprint in readme