plugin hook errors are ignored

[purplecabbage]

Describe the bug
When a we fire an oclif hook event it is handled by one or more cli plugin hook responder. If any of these hook responders encounters an error, it cannot exit the app and any exception it throws is quietly caught deep in oclif.
All OclifCommand calls to this.config.runHook('hook-id', <context-data>) are await-able, and return an object with 2 arrays, {failures[], successes[]}
We need to read failures and exit if appropriate.

To Reproduce
Steps to reproduce the behavior:

1. write a hook responder that gets called
2. throw an error from your hook responder
3. observe that the cli command continues as if nothing happened

Expected behavior

• clear log message identifying the plugin where the error occurred
• clear log message identifying what went wrong and how to correct it

[aiojbot]

JIRA issue created: https://jira.corp.adobe.com/browse/ACNA-2240