1. fixed following issues due to github actions upgrade:
1. [#42](https://github.com/zillionare/python-project-wizard/issues/42)
2. checkout@v2, setup-python@v2 is deprecated
3. [#33](https://github.com/zillionare/python-project-wizard/issues/33)
4. [#34](https://github.com/zillionare/python-project-wizard/issues/34)
5. [#41](https://github.com/zillionare/python-project-wizard/issues/41)
2. add mypy as type checker
3. remove python 3.7, add python 3.11 and use python 3.11 as default