Configure SSO integration for Neuvector

Create additional neuvector.sso umbrella values that respect the globally configured sso options

Also populate test/dev SSO values in https://repo1.dso.mil/big-bang/bigbang/-/blob/master/docs/assets/configs/example/dev-sso-values.yaml

Relates to big-bang/product/packages/neuvector#34 (closed)