2.0.0alpha3

Enhancements:

• [all] Added HTTP Mirrors by @JohanMabille in #3178
• [all] Use expected for specs parsing by @AntoinePrv in #3201
• [libmamba] Refactor ObjPool to use views in callbacks by @AntoinePrv in #3199
• [libmambapy, libmamba] Add more solver tests and other small features by @AntoinePrv in #3198
• [libmambapy, libmamba] Finalized Solver bindings and add solver doc by @AntoinePrv in #3195
• [libmambapy, libmamba] Add libsolv.Database Bindings and tests by @AntoinePrv in #3186
• [libmamba] Add (some) solver Database tests by @AntoinePrv in #3185
• [libmamba] Make libsolv wrappers into standalone library by @AntoinePrv in #3181
• [all] Rename MPool into solver::libsolv::Database by @AntoinePrv in #3180
• [all] Automate releases (CHANGELOG.md updating) by @Hind-M in #3179
• [all] Simplify MPool Interface by @AntoinePrv in #3177
• [all] Clean libsolv use in Transaction by @AntoinePrv in #3171
• [micromamba, libmamba] Rewrite Query with Pool functions (wrapping libsolv) by @AntoinePrv in #3168

Bug fixes:

• [micromamba] Remove unmaintained and broken pytest-lazy-fixture by @AntoinePrv in #3193
• [libmamba] Simple logging fix by @AntoinePrv in #3184

CI fixes and doc: