curl --request PUT \
  --url https://api.gleap.io/v3/invitations/{invitationId}/role \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'project: <project>' \
  --data '{
  "role": "<string>"
}'

{
  "updatedAt": "<string>",
  "createdAt": "<string>",
  "project": {
    "isValid": {},
    "createFromHexString": {},
    "createFromTime": {},
    "generate": {},
    "cacheHexString": "<any>",
    "prototype": "<string>"
  },
  "email": "<string>",
  "organisation": {
    "isValid": {},
    "createFromHexString": {},
    "createFromTime": {},
    "generate": {},
    "cacheHexString": "<any>",
    "prototype": "<string>"
  },
  "role": "<string>",
  "name": "<string>",
  "type": "organisation"
}