Introduce conditional build depending on build tag

Why are we doing this change

The purpose of this MR is to disable OCS on fips mode. We can achieve this using conditional build. In this MR we introduce 2 factory.go files one that is used when the fips build tag is used and one when it's not.

Related issues

OCS should be disabled when Gitlab-Agent is on ... (gitlab-org/gitlab#439441 - closed)