* Automatically restore os.environ in umamba tests
* Cleanup test_info
* Refactor conftest.py
* Eagerly clean micromamba test dir
* Refactor micromamba test_info with new fixtures
* Fix test self_update on Win
* make a clear split between CMake targets
* split versions between libmamba and mamba
* add libmambapy target for python bindings and make mamba depend on it
* rename CMake options to make them homogeneous, simplify CMake
* remove termcolor from thirdparties, use it as a dependency
* remove unnecessary version global vars and convert to functions
* update CI workflows
Sandrine Pataut