Modifies a Knowledge Base.

curl --request PATCH \
  --url https://api.totoy.ai/v1/knowledge-bases/{knowledge_base_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "Totoy Developer Support Assistant",
  "instructions": "You are a developer support assistant for the developers using the Totoy API."
}'

{
  "knowledge_base_id": "kb_feMfJbeqbAEj4u8K5HqmKpUbY",
  "name": "Totoy Developer Support Assistant",
  "instructions": "You are a developer support assistant for the developers using the Totoy API.",
  "project_id": "pj_avX7imfLaPcQnv5ckvGlOEBA9",
  "created_at": "2023-07-05T12:00:00Z",
  "updated_at": "2023-07-15T12:34:56Z"
}