- Defaults to deleting keys with new title prefix 'E2E test key:'
- Allows specifying the part of the title to match
- Allows a dry run that lists keys without deleting them
- Allows deletion only if keys were created before a given date
- Handles pagination
- Deletes keys for the user who owns the access token supplied.
  This lets us use the script in prod or other environments where
  we don't have an admin account