docs: update kubernetes variable
What
Update the name from kubernetes_common_roles
to
kubernetes_common_auth_roles
Why
Looking at https://ops.gitlab.net/gitlab-com/gl-infra/config-mgmt/-/blob/8872cedcc59a91048ec0f00d38f84b5529bc58fb/environments/vault-production/kubernetes.tf#L88 it has the wrong name in the documentation.
Reference: https://gitlab.com/gitlab-com/gl-infra/reliability/-/issues/23971