Upload profile avatar

curl -X POST "https://auth.canopy-io.com/v1/auth/me/avatar" \
  -H "Content-Type: application/json" \
  -d '{
    "file": "<binary>"
  }'

{
  "data": {
    "id": "string",
    "email": "string",
    "first_name": "string",
    "last_name": "string",
    "avatar_url": "string",
    "pending_email": "string",
    "email_verified": false,
    "created_at": "2026-04-20T12:00:00.000Z",
    "account_role": "owner"
  }
}