Fix Swagger API endpoint for tests

Bug

Description

Per big-bang/bigbang!4045 (comment 1987510) the current tests to configure SSO uses an APIv1 endpoint which has been deprecated in 5.0 and several endpoints moved

anchore-anchore-enterprise-notifications-8557d84cc7-cr2g7   3/3     Running   0          23m
anchore-anchore-enterprise-rbac-manager-58656cf7cc-bvd65    3/3     Running   0          23m
anchore-feeds-79fcb9464c-wsmgx                              2/2     Running   0          23m
anchore-anchore-enterprise-reports-77dc7b7ff6-mmgdj         2/2     Running   0          23m
configure-sso-s54v5                                         2/2     Running   0          19m
❯ kubectl logs configure-sso-s54v5 -n anchore
IdP URL is live...
Waiting for Anchore API...
Waiting for Anchore API...
Waiting for Anchore API...
Waiting for Anchore API...
Waiting for Anchore API...
Waiting for Anchore API...
Waiting for Anchore API...
Waiting for Anchore API...
Waiting for Anchore API...
Waiting for Anchore API...
Waiting for Anchore API...
Waiting for Anchore API...
Waiting for Anchore API...

{"type":"about:blank","title":"Not Found","detail":"The requested URL was not found on the server. If you entered the URL manually plea se check your spelling and try again.","status":404}

Per docs the new endpoint is /v2/openapi.json