Improved parallelization and PBT algorithm

[bouthilx]

Parallelization is improved leveraging new Runner (#684) and a shared algorithm state (#786).

🚀 Features

• PBT implementation @bouthilx (PBT implementation #705)

🏗 Enhancements

• Shared algorithm status @bouthilx (Shared algorithm status #786)
• Fix get_prior_string [get_prior_string misses some attributes of the dimension #774] @Delaunay (Fix get_prior_string [#774] #776)
• Replace np.object by object; np.object is deprecated @Delaunay (Replace np.object by object; np.object is deprecated #773)
• Update backend_plotly.py @Delaunay (Update backend_plotly.py #772)
• Rework workon @Delaunay (Rework workon #684)
• Print version on debug verbosity level @nurbal (Print version on debug verbosity level #765)
• Remove ParallelStrategies from Producer and make them reusable modules for algorithms instead. @bouthilx (Remove ParallelStrategies from Producer and make them reusable modules for algorithms instead. #760)

🐛 Bug Fixes

• (re) Fix parsing of hps with "." in name from commandline @lebrice ((re) Fix parsing of hps with "." in name from commandline #785)
• Fix multiprocess del guard @Delaunay (Fix multiprocess del guard #784)
• Replace exp's stat dict by a dataclass @bouthilx (Replace exp's stat dict by a dataclass #771)
• replace count by count_documents Update MongoDB api usage to match latest #706 @Delaunay (replace count by count_documents #706  #707)

📜 Documentation

• Escape the escape @Delaunay (Escape the escape #783)

🧰 Maintenance

• Fix Track requirement URL for github @bouthilx (Fix Track requirement URL for github #761)

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