List environments

{
    "environments": [
        {
            "created_at": "2020-11-23T22:00:40.000Z",
            "deployment_branch_policy": {
                "custom_branch_policies": true,
                "protected_branches": true
            },
            "html_url": "https://github.com/github/hello-world/deployments/activity_log?environments_filter=staging",
            "id": 56780428,
            "name": "staging",
            "node_id": "MDExOkVudmlyb25tZW50NTY3ODA0Mjg=",
            "protection_rules": [
                {
                    "id": 3515,
                    "node_id": "MDQ6R2F0ZTM1MTU=",
                    "type": "wait_timer",
                    "wait_timer": 30
                }
            ],
            "updated_at": "2020-11-23T22:00:40.000Z",
            "url": "https://api.github.com/repos/github/hello-world/environments/staging"
        }
    ],
    "total_count": 5
}