Config storage dependency can cause service container circular reference

Reroll

Assorted tweaks

New approach: lazy-load the logger

Cleanup code style

Turns out this doesn't actually resolve the circular reference, so basically we're waiting on 🐛 Dependency on config storage causes circular reference in service container Needs review

This should, AFAIK, now be resolved upstream in drupal core, because file_system no longer depends on logger. Thus, generally speaking, cache services no longer require a logger... and so a logger such as this module can depend on config, which depends on cache.

Automatically closed - issue fixed for 2 weeks with no activity.