List max and currently used project quotas.

Example response

{
  "quotas": [
    {
      "available": 6,
      "category": "GPU Instance, Storage",
      "description": "A40 PCIe",
      "max": 10,
      "programmatic_name": "a40",
      "type": "PROJECT_QUOTA_TYPE_MAXIMUM_VM_SLICES_VCPU_6_MEM_60_A40_PCIE_48GB_1",
      "used": 4
    }
  ]
}