Pyauxlib

Fix

- **encoding**: fix some code unreachable errors and other minor things

Fix

- **actions**: update setup-python to v6

Feat

- **logger.py**: improve logger functioning

Refactor

- **iterate_folder**: simplify code to iterate folders
- update certifi
- **encoding.py**: improve and simplify handling of encoding

Feat

- **pyauxlib.io.filesfolders**: add safe open file that creates folder path if it doesn't exist

Feat

- **callables.args**: add validation for arguments

Feat

- **pyauxlib.io.yamlio**: add generator of yaml template from a pydantic model

Refactor

- **pyauxlib.io.yamlio.py**: parse yaml files using ruamel.yaml instead of pyyaml
- **decorators.warning**: change behavior of warning decorators