v0.0.23 - test_cookers: Fix commit behavior when committing to another branch - Rewrite tests using pytest's fixtures and adapt them to recent refactorings - Normalize the configuration of VaultBackend and cooker - Make it possible to specify the config file via SWH_CONFIG_FILENAME env var - Refactor the VaultBackend to use BaseDb and pool-based db access - Add a swh.vault.api.wsgi module to instanciate the (singleton) wsgi app object