Fix UV cache based on sync/pip-replacement
Fix if UV fails but lock file is missing, revert to UV as pip drop in replacement
Fix use UV bin instead of UV python package to avoid nested VIRTUAL_ENV issues
Add agent.package_manager.use_conda_base_env (CLEARML_USE_CONDA_BASE_ENV) allowing to use base conda environment (instead of installing a new one)
Fix conda support for python packages with markers and multiple specifications
Added "nvidia" conda channel and support for cuda-toolkit >= 12
