Add user type "SYSTEM_ACCOUNT" to "List Users V3"

[eduardo-cordeiro-vanta]

Documentation link

https://pan.dev/prisma-cloud/api/cspm/get-user-profiles-v-3/

Describe the problem

User types are listed as [USER_ACCOUNT, SERVICE_ACCOUNT], but another possible value is SYSTEM_ACCOUNT

Suggested fix

AddSYSTEM_ACCOUNT to the list of types in the documentation