authservice: expose absolute and idle sesison_timeout options

Package Merge Request

Package Changes

expose absolute_session_timeout and idle_sesison_timeout options

Package MR

• https://repo1.dso.mil/platform-one/big-bang/apps/core/authservice/-/merge_requests/69

For Issue

Closes https://repo1.dso.mil/platform-one/big-bang/apps/core/authservice/-/issues/37