Update ICP

curl -X PUT "https://api.clustr-ai.com/api/public/company-icp/550e8400-..." \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"title": "Updated Enterprise SaaS", "countries": ["US", "UK", "Germany"]}'

{
  "success": true,
  "data": {
    "clustr_icp_id": "icp_245zanhnzgb0536tw2q92nva75",
    "id": "550e8400-...",
    "title": "Updated Enterprise SaaS",
    "linkedin_industries": ["IT", "Computer Software"],
    "countries": ["US", "UK", "Germany"],
    "updated_at": "2025-03-15T14:30:00Z"
  }
}