Bump flask-cors from 3.0.10 to 5.0.0 in /docker-image/locust-tasks#59

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dependabot/pip/docker-image/locust-tasks/flask-cors-5.0.0GoogleCloudPlatform/distributed-load-testing-using-kubernetes:dependabot/pip/docker-image/locust-tasks/flask-cors-5.0.0Copy head branch name to clipboard