* everything compiles
* tests pass
* remove file included by accident
* add entry to gitignore
* some scaffolding for the migration executor
* remove file
* implement and test the migration
* use xkube.Namespace in our interfaces
* add todo
* update wire deps
* add some logs
* fix wire dependency ordering
* create tests to validate error conditions during migrations
* everything compiles
* tests pass
* remove file included by accident
* add entry to gitignore
* some scaffolding for the migration executor
* remove file
* implement and test the migration
* use xkube.Namespace in our interfaces
* add todo
* update wire deps
* add some logs
* fix wire dependency ordering
* create tests to validate error conditions during migrations
* Secrets: delete unused FakeKeeper
* Secrets: encrypted value storage stores versions
* add version to span
* trigger build
* remove ineffectual assignment
* lint
* drop secret_encrypted_value.uid / add name and version columns