CmdStanPy 1.2.2

Please note that the next non-bugfix release of CmdStanPy will be CmdStanPy 2.0 and will remove existing deprecations

Fixes

• Update community.rst to mention bibat by @teddygroves in #737
• Move to pyproject.toml setup by @WardBrian in #735
• Extract format functionality from Model class by @WardBrian in #740
• Add a num_threads helper argument to pathfinder() by @WardBrian in #741
• Fix an issue where pathfinder() could not accept multiple initial values by @WardBrian in #741
• Update docs for release by @WardBrian in #743

Full Changelog: v1.2.1...v1.2.2