py-charset-normalizer: updated to 2.0.8

2.0.8
Changed
- Improvement over Vietnamese detection
- MD improvement on trailing data and long foreign (non-pure latin) data
- Efficiency improvements in cd/alphabet_languages from [@adbar](https://github.com/adbar)
- call sum() without an intermediary list following PEP 289 recommendations from [@adbar](https://github.com/adbar)
- Code style as refactored by Sourcery-AI
- Minor adjustment on the MD around european words
- Remove and replace SRTs from assets / tests
- Initialize the library logger with a `NullHandler` by default from [@nmaynes](https://github.com/nmaynes)
- Setting kwarg `explain` to True will add provisionally (bounded to function lifespan) a specific stream handler

(adam)