curl --request PATCH \
  --url https://api.gcore.com/cloud/v1/faas/namespaces/{project_id}/{region_id}/{namespace_name} \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "description": "This is a sample namespace.",
  "envs": {
    "ENV_VAR": "value"
  }
}'

{
  "tasks": [
    "d478ae29-dedc-4869-82f0-96104425f565"
  ]
}