mlconjug3 v3.8.3

• Tweaked optimal learning parameters for the various language models.
• Project Metadata in pyproject.toml file for building the package from source is 100% compliant.
• Migrated build system to poetry / PyPa build.
• Updated dependencies to scikit-learn 1.0.2 with a noticeable speed increase in training and inference performance.
• Updated documentation.