Bug fixes:
- [libmamba] backport of #3424: Execute remove action before install actions by @JohanMabille
in https://github.com/mamba-org/mamba/pull/3425/files - [mamba] Fix Conda nightly tests by @Hind-M in #3420
CI
- [mamba, micromamba] Fix tests by @Hind-M in https://github.com/mamba-org/mamba/pull/3347/files