curl --request PATCH \
  --url 'https://{{baseurl}}/collections' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "sift1m",
  "new_name": "new_sift1m",
  "vector_config": {
    "size": 128,
    "index_type": "FlatL2",
    "on_disk": true
  },
  "optimizer_config": {}
}
'

{
  "response": "ok",
  "status": "OK"
}