repo-updater: remove store interface
Created by: asdine
This PR removes the store interface and renames DBStore into Store. It also adds a simple mock type to be used by tests who wants to mock calls to UpsertRepos.
Created by: asdine
This PR removes the store interface and renames DBStore into Store. It also adds a simple mock type to be used by tests who wants to mock calls to UpsertRepos.