use MAMBA_EXTRACT_THREADS env var in mamba
set max extract threads before transaction
make sure the context value is used by setting context value in fetch_extract_packages
add error handling in mamba in case env var can't be converted to integer
split verbosity and log level
use backtrace to replay logs on critical error
use backtrace to replay logs emitted before setting the log level, with the appropriate level
make libmamba compile time log level a cmake option
break circular dependencies
remove hard-coded config loading sequence
create a libmamba-full-static target to expose static deps
remove automagic activation of libmamba build options to fix packaging
add find_package libmamba in micromamba and libmambapy
add umamba MICROMAMBA_LINKAGE option to select libmamba target
update documentation
* 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
Wolf Vollprecht