Return the list of firewalls in the project

curl --request GET \
  --url https://api.ubicloud.com/project/{project_id}/firewall \
  --header 'Authorization: Bearer <token>'

{
  "count": 123,
  "items": [
    {
      "description": "<string>",
      "firewall_rules": [
        {
          "cidr": "<string>",
          "id": "fraz0q3vbrpa7pkg7zbmah9csn",
          "port_range": "<string>"
        }
      ],
      "id": "fwfg7td83em22qfw9pq5xyfqb7",
      "location": "<string>",
      "name": "<string>"
    }
  ]
}