Update BugBot settings to allow an exclude list for authors

Feature request for product/service

BugBot

Describe the request

Currently the only options available for BugBot are either enabling for everyone or making a list of users that it is enabled for. Ideally we could have the opposite as well: a list of users that should not have the feature enabled. This would be in the BugBot’s Run on All Pull Requests (PRs) setting at Cursor - The AI Code Editor.