update notification preferences

curl --request PUT \
  --url https://api-staging.boost.xyz/users/address/{address}/notification-preferences \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "boostCompleted": true,
  "boostStarted": true
}'

{
  "id": "<string>",
  "user": "<string>",
  "notificationPreferences": {
    "boostStarted": true,
    "boostCompleted": true
  }
}