New features

• Build wheels for Python 3.11

Fixes and improvements

• In beam search, get more candidates from the model output and replace finished hypotheses by these additional candidates
• Fix possibly incorrect attention vectors returned from the beam search
• Fix coverage penalty that was actually not applied
• Fix crash when the beam size is larger than the vocabulary size
• Add missing compilation flag -fvisibility=hidden when building the Python module
• Update oneDNN to 2.6.2
• Update OpenBLAS to 0.3.21