docs: update "Roles in Kosli"

[dangrondahl]

Discovered in Terraform acceptance test that Service Account API token with member permissions doesn't have permissions to delete/archive environments.

Changes should go here:

cli/docs.kosli.com/content/administration/managing_users/roles_in_kosli.md

Line 36 in e178b35

| Create environments | ✅ | ✅ | ❌ |

Current

Capability	Admin	Member	Reader
Resource Management
Create environments	✅	✅	❌
Update/delete environments	✅	✅	❌

Should be

Capability	Admin	Member	Reader
Resource Management
Create/update environments	✅	✅	❌
Delete environments	✅	❌	❌