* Use logging.Logger in SingerSource
* Fix SingerSource ConfigContainer
This fixes typing issues with `ConfigContainer` and makes it compatible
with `split_config`. Fixes#8710.
* Fix SingerSource state and catalog typer issues
* Rename SingerSource method args to match parent classes
* Remove old comment about excluding Singer
Co-authored-by: Alexandre Girard <alexandre@airbyte.io>