2.0.0rc1

Enhancements:

• [libmamba] Update mamba.xsh: support xonsh >= 0.18.0 by @anki-code in #3355
• [libmamba] Remove logs for every package by @Hind-M in #3335

Bug fixes:

• [libmamba] Allow leading lowercase letter in version by @Hind-M in #3361
• [libmamba] Allow spaces in version after operator by @Hind-M in #3358

CI fixes and doc:

• [all] chore(ci): bump github action versions by @corneliusroemer in #3350
• [all] doc(more_concepts.rst): improve clarity by @corneliusroemer in #3357