Jenkins Quay.io trigger Plugin webhook endpoint can be accessed without authentication
Jenkins Quay.io trigger Plugin provides a webhook endpoint at `/quayio-webhook/` that can be used to trigger builds of jobs configured to use a specified repository.In Quay.io trigger Plugin 0.1 and earlier, this endpoint can be accessed without authentication.This allows unauthenticated attackers to trigger builds of jobs corresponding to the attacker-specified repository.