1.5.1

Enhancements:

• [libmamba] Add scope in util tests by @AntoinePrv in #2775
• [micromamba] Speed up tests (a bit) by @AntoinePrv in #2776
• [micromamba] Restore __linux=0 test by @jonashaag in #2778
• [libmamba, micromamba] Enable Link Time Optimization by @AntoinePrv in #2742
• [libmamba] Add libsolv namespace callback by @AntoinePrv in #2796
• [all] Clearer output from micromamba search by @delsner in #2782
• [libmamba] add context.register_envs to control whether environments are registered to environments.txt or not by @jaimergp in #2802
• [libmamba, micromamba] Windows path manipulation and other cleanups by @AntoinePrv in #2801
• [libmamba] Bring back repodata_use_zst by @jonashaag in #2790
• [micromamba] Implement --md5 and --channel-subdir for non-explicit env export by @jonashaag in #2672

Bug fixes:

• [libmamba] fix install pin by @AntoinePrv in #2773
• [libmamba] Use generic_string for path on Windows unix shells by @AntoinePrv in #2685
• [libmamba] Fix pins by @AntoinePrv in #2786
• [libmamba] Various fixes by @AntoinePrv in #2800
• [micromamba] Fix extra agrument in self-update reinit by @AntoinePrv in #2787
• [libmamba] Parse subdirs in CLI match specs by @jonashaag in #2799

CI fixes and doc:

• [all] Splitted GHA workflow by @JohanMabille in #2779
• [all] Use Release build mode in Windows CI by @AntoinePrv in #2785
• [micromamba] Fix wrong command description by @Hind-M in #2804